Answer:
i think it would be (B)
Step-by-step explanation:
Angle BFC and Angle DFE
Angle BFC+ Angle DFE
60°+ 30°= 90°
y = 8x + 21
Replace x with −x.
f(x) = 3(2)−x is not correct because the y-intercept is (0, 3).
the answer is B
