Question

F(x)=-x^2+19

Find f(3)

Answer 1

Answer: f(3) = 10

f(x) = -x^2 + 19

Now, the value of x would be 3

f(x)= - (3) squared 2 plus 19

-9 + 19 = 10

Answer 2

f(3) = 10

Explanation:

f(x)=-x^2+19

Let x= 3

f(x)=- (3)^2+19

= -9 + 19

= 10