SOLUTION: Find f(-3) if f(x)=2x²-5 A. -23 B. 13 C. 1 D. -11

Algebra ->  Functions -> SOLUTION: Find f(-3) if f(x)=2x²-5 A. -23 B. 13 C. 1 D. -11      Log On


   

Question 698327: Find f(-3) if f(x)=2x²-5
A. -23
B. 13
C. 1
D. -11
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
f(x) = 2x^2 - 5

f(-3) = 2(-3)^2 - 5

f(-3) = 2(9) - 5

f(-3) = 18 - 5

f(-3) = 13