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\(Let $f(x) = 12x^9 + x$. Find $f(3) + f(-3)$. \)

\(Let $g(x) = 4x^2 + x + 7$. Find $g(-2)$. \)

\(Let $A(t) = 3- 2t^2 + 4^t$. Find $A(2) - A(1)$. \)

Let \(f(x) = \dfrac{2-3x}{5-2x}\) For what value of f(a) is 3?

 Mar 2, 2023
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A) 0, because they cancel each other out. (the exponent is odd so the value will be negative, therefore they add to 0)


B) just solve, 4*4+(-2)+7 = 16-2+7 = 21


C) A(2) - A(1) = 15 - 5 = 10


D) set the expression equal to 3 (2-3x)/(5-2x) = 3 x = 13/3 Hope this helps!

 Mar 2, 2023

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