Question

F(x)=-4x^2+9 Find f(−3)

Answer 1

Answer:

f (-3) = 45

Step-by-step explanation:

f (x) =

$4x {}^{2} + 9$

f (-3) =

$(4 \times - 3 \times - 3) + 9$

=》

$36 + 9$

=》

$45$