Question

Suppose that the functions f and g are defined for all real numbers x as follows. f(x)=2x^2 g(x)=4x Write the expressions for (f+g)(x) and (f-g)(x) and evaluate (f·g)(-2). (f+g)(x) = (f-g)(x) = (f·g)(-2) =

          Suppose that the functions f and g are defined for all real numbers x as follows.
f(x)=2x^2
g(x)=4x
Write the expressions for (f+g)(x) and (f-g)(x) and evaluate (f·g)(-2).
(f+g)(x) =
(f-g)(x) =
(f·g)(-2) =

Added by Bridget M.

Grade 6 Mathematics: Open Up Resources, Common Core State Standards Edition

N/A 6th Edition

Instant Answer

Solved by Expert Yujie Wang

01/07/2022

Step 1

Step 1: To find (f+g)(x), we add the functions f(x) and g(x): (f+g)(x) = f(x) + g(x) = 2x + 4x = 6x Show more…

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Suppose that the functions f and g are defined for all real numbers x as follows. f(x)=2x^2 g(x)=4x Write the expressions for (f+g)(x) and (f-g)(x) and evaluate (f·g)(-2). (f+g)(x) = (f-g)(x) = (f·g)(-2) =