Let f(x) = x + 5, x ≤ −3 square root (9 − x^2), −3 3 Compute the following function value. f(3)

Question

Let f(x) = x + 5,	x ≤ −3
            square root  (9 − x^2),    −3 < x ≤ 3
              −x + 5,	x > 3
Compute the following function value. f(3)

anonymous · Answer

when can x=3 will it be the top one middle one or bottom one?

anonymous · Answer

i have no idea, im guessing not the bottom one though

anonymous · Answer

x ≤ −3 
What does this mean?

anonymous · Answer

x is less than or equal to -3

anonymous · Answer

ok can you tell me if 3 is less than -3?

anonymous · Answer

no its not

anonymous · Answer

Ok 3 is not equal to or less than -3 so we don't want to use that domain.

anonymous · Answer

−3 < x ≤ 3

This means that x a number is higher than -3 or equal to or less than 3

anonymous · Answer

is 3 higher than -3? Yes

is it equal to 3? yes that's all we need.

anonymous · Answer

that means we have to use f(x)= (9 − x^2)

that means we have to plug in x=3 into that equation and see what you get.

anonymous · Answer

attachment

anonymous · Answer

ypu you are right

f(3)=0

anonymous · Answer

thank you!!