Answer:
1
Step-by-step explanation:
f(a)=−2a^2−5a+4
Ler a = -3
f(-3) = -2 (-3)^2 -5(-3) +4
= -2(9) +15 +4
= -18+15+4
=1
Answer:
Step-by-step explanation:
f(a)=−2a2−5a+4
then
f(−3) = -2(-3)² - 5(-3) + 4
= -2(9) + 15 + 4
= -18 + 19
= 19 - 18
= 1
___________________^^
:)
