Answer:

Step-by-step explanation:
, substitute
to x
=
or 3.75
=
= 
Answer: ![[-3,7]](https://tex.z-dn.net/?f=%5B-3%2C7%5D)
Step-by-step explanation:
The range of a function is the set of y-values
Answer: 36 degrees
Step-by-step explanation:
subtract 5 from 30=25
add 11 to 25
25+11=36
Answer:
f(3) = -13
Step-by-step explanation:
f(x)= - x²-4 (not (-x)²)
f(3) = - 3² - 4 = - 9 - 4 = -13
Answer:
4/5
Step-by-step explanation:
5/8=1/2/x
x=(1/2)/(5/8)
x=(1/2)(8/5)
x=8/10
simplify
x=4/5