Answer:
acute angle
Step-by-step explanation:
just took the test
idk sounds like a good question
see explanation
(a)
0 < 5 ⇒ f(0) = x + 4 = 0 + 4 = 4
f(0) = 4
(b)
5 ≤ 6 < 7 ⇒ f(6) = 8
See the pic above!
Hope it helps!
