Answer:
Step-by-step explanation:
<u><em>Explanation:-</em></u>
Given (-4)⁻²
we will apply (a)⁻ⁿ =
(-4)⁻² =
f(x) = 4x
Verification:f(2) = 4 x 2 = 8
f(3) = 4 x 3= 12
f(4) = 4x x 4 = 16
37 + 62 + x=180 (angles on same line)
99 + x=180
x=180 - 99
x=81
15
5x4=20
5x-1=-5
20-5=15