Question

For the function f(x)=5x^2-7x, what is f(-3)?

Answer 1

Answer:

24

Step-by-step explanation:

f(x)=5x^2-7x

substitute x to 3

f(3)=5(3)^2-7(3)

f(3)=5(9)-21

f(3)=45-21

f(3)=24