Angle p is an acute angle.

which could be the measure of angle p?

a.
80°

b.
100°

c.
90°

d.
180°

f(x) has value 150 at x= 0

and 0 at x= 3

so d(f(x))/dt = slope = -150/3 = -50

the first one is x^2+2x+2

the second one is x^2+4

the last one is x^2-4x+8