Question
Find the indicated values of the functions $f(x, y)=2 x+7 y-5 \quad$ and $\quad g(x, y)=\frac{88}{x^{2}+3 y}$.$$3 f(-2,2)+5 g(-2,2)$$
Step 1
So we have: \[f(-2,2) = 2(-2) + 7(2) - 5\] Solving this, we get: \[f(-2,2) = -4 + 14 - 5 = 5\] Show more…
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