For the function f(x) = -(x + 1)^ 2 + 4, identify the vertex, domain, and range.

Question

ashy98 · Answer

A.) The vertex is (-1, 4), the domain is all real numbers, and the range is y ≥ 4.
B.) The vertex is (-1, 4), the domain is all real numbers, and the range is y ≤ 4.
C.) The vertex is (1, 4), the domain is all real numbers, and the range is y ≥ 4.
D.) The vertex is (1, 4), the domain is all real numbers, and the range is y ≤ 4.

lataesiaaa · Answer

oh yea its dookey!!

anonymous · Answer

Its A

ashy98 · Answer

Okay thank you(: but can you explain please?

anonymous · Answer

Ok so concerning the vertex you shiuld find the derivative f'(x) and then equate it to 0

anonymous · Answer

You are familiar with derivative yeah?

loser66 · Answer

|dw:1463082958795:dw|