Answer:
C
If x = o then f(0) = 4(2) * 0 = 0
If f(x) = 4(2) 0 - 13
then f(x) = -13 at x = 0
2arctan(2/5) = 44°
180° -44° = 136°
The angles are 44°, 136°.
I think It's $995 I HOPE THIS IS A CORRECT ANSWER
Ryan: y=10x+25 Alex: y=11x+20
a) Mr. Smith should choose Alex because the price would be $42 compared to Ryan which would be $45
b) Mr.Smith could choose either Ryan or Alex because they would both charge $75
