Find the function value.
-If $P ( x ) = 5 x ^ { 2 } - 9 x$, find $P ( - 2 )$.
A) 8
B) 20
C) 9
D) 38

Name: Find the function value. -If $P ( x ) = 5 x ^ { 2 } - 9 x$, find $P ( - 2 )$. A) 8 B) 20 C) 9 D) 38
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Question

Quizplus · Accepted Answer

To find $P(-2)$, substitute $x = -2$ into the function $P(x) = 5x^2 - 9x$. This gives $P(-2) = 5(-2)^2 - 9(-2) = 5(4) + 18 = 20 + 18 = 38$.

Find the Function Value P(x)=5x2−9xP ( x ) = 5 x ^ { 2 } - 9 xP(x)=5x2−9x

Find the Function Value $P ( x ) = 5 x ^ { 2 } - 9 x$