Question

I need help immediately!!​

Answer 1

f (4) = 21

Explanation:

the given equation is f (x) = 4x + 5

putting the value of x = 4

we get, f (4) = (4×4) + 5

f (4) = 16 + 5

f (4) = 21

i hope u got it

Answer 2

F(4)=4(4)+5
Which equals
F(4)=21