Question

What is f(-3) for the function f(a) =-2a^2-5a+4

Answer 1

The function is f(7), a= 7 i think this is right 

Answer 2

f(a) =-2a^2-5a+4
so
f(-3) = -2(-3)^2  -5(-3) + 4
f(-3) = -2(9) + 15 + 4
f(-3) = -18 + 19
f(-3) = 1

hope it helps