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david anderson

david a.

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Find the domain of the following a. $f(x) = \frac{x}{x-27}$

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Which of the following correctly gives the Cartesian form of the parametric equations x(t)=sqrt(t)-4 and y(t)=2t-3 ? Select the correct answer below: y=2x^(2)+16x+29 x=2y^(2)+16y+29 x=2y^(2)-16y+29 y=2x^(2)-16x+29 Which of the following correctly gives the Cartesian form of the parametric equations (t)=/t -- 4 and y(t)=2t - 3? Select the correct answer below: Oy=2x2+16x+29 Ox=2y2+16y+29 O=2y2-16y+29 Oy=2x2-16x+29

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def create_mat(nrows, ncols): import numpy as np S = np.zeros((nrows, ncols)) for i in range(nrows): for j in range(ncols): if i == j: S[i][j] = i + 1 else: S[i][j] = 0 return S

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If $T: \mathbb{R}^2 \to \mathbb{R}$ is a linear transformation with $T\begin{pmatrix} -2 \ 1 \end{pmatrix} = -1$ and $T\begin{pmatrix} 1 \ 3 \end{pmatrix} = -1$ then: $T\begin{pmatrix} -92 \ 60 \end{pmatrix} = $

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b m ? g Figure 1: Block sliding down a ramp with linear damping The m = 0.5 kg block shown above is sliding on a ramp that slows it down with a linear damper. The force applied by the damping is $F_b = bv$, where $v$ is the speed and $b = 0.5 Ns/m$. Friction is negligible. a. Draw the Free body diagram and kinetic diagram b. If the block is released from rest $v = 0 m/s$, what is its initial acceleration? c. What is the block's final speed, e.g. when $t \to \infty$ and $a = 0$

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This slide shows neuromuscular junctions in ____ muscle. a) cardiac b) smooth c) skeletal

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(10%) 2.2) A single-phase 750 lossless line with an open receiving end is driven by a 150V/s ramp $u_{-2}$ source with 750 source impedance. (a) Derive the general expressions for line voltage $v(x, t) = ?$ and line current $i(x, t) = ?$, in terms of the line length $l$ and transit time $\tau$. (b) Plot $v(x, t)$ and $i(x, t)$ at $t = \frac{l}{2}$, for $0 \le t \le 2\tau$.

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Discrete Maths: Verifying Recursive Algorithms (MO4, 5): you will repeat the same ideas as subsection 5.5.2 (list preconditions and postconditions, base case, inductive hypothesis, need to show, proof) for one or two of the following algorithms (please specify which one, notice that they are not the best algorithms for their problems but the idea is to illustrate recursion, not to get the best solution): Algorithm for testing whether or not a number x is a natural number Algorithm 4: Natural(a number x) Input: A number x Output: "Yes" if x is a natural number, else "No" Algorithm: if x < 1, then return "No" else if x = 1, then return "Yes" else return Natural(x - 1) Preconditions: Postconditions: Base case: Inductive hypothesis: Need to show: Proof:

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Anana had been hired at a firm that gives an annual salary of $72,000 but no health insurance. Brian had been hired at a firm that gives an annual salary of $67,500 but also provides health insurance on top of that. The price of health insurance is $3,500 regardless of whether an individual or a firm purchases it, and the law says that everyone must be insured (so Anana will have to purchase health insurance on their own). Suppose that both Anana and Brian will have more money in their pocket for spending on other things they wish to buy (after tax and after health insurance). b) Suppose that everything is the same as in the question before except that Anana is in the 10% tax bracket. Now, Anana considers switching to Brian's job, where the salary is $67,500. Would the job be better for Anana, or better for Anana to remain at the current job?

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Bob ate 12 cookies over the past two days. Assume he ate the same amount of cookies each day. How many cookies did Jonathan eat per day? 12 6 4 3

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