At a student art fair, 100 projects were on display. Of all the art projects were paintings and
1
were photographs.
How many of the projects were photographs or paintings?
A
95
B
20
75
D
55

Ijust need to see how to do this. so you don’t have to answer all of them just a step by step explanation of one.

What is the range of the function? f(x)=-2|x+1|? a. all real numbers. b. all real numbers less than or equal to 0. c. all real numbers less than or equal to 1. d. all real numbers greater than or equal to 1

True or false: the graph of y=f(bx) is a horizontal compression of the graph y=f(x) if b< 1