Question

Given the function f(x) = −5x2 − x + 20, find f(3).

−28
−13
62
64

Answer 1

hey ..!!

given here

f(x)= -5x²-x+20. ...(1)

find here

f(3)=?

Solution :--

f(x)= -5x²-x+20

put value of x= 3

we get ,

f(3)=-5×3² - 3 +20

= -5×9 -3 +20

= -45 -3 +20

= - 48 +20

= - 28

Thus:--

your answer will be option number

(1) -28

i hopes its helps u

Follow me ..✌✌

@Abhi.❤❤