Answer:
F-1(x)=7/(x+9)
Step-by-step explanation:
Change F(x) to y so y=7/x -9
Swap variables x=7/y -9
Solve x+9=7/y
7/(x+9)=y
Then change y to F inverse
F-1(x)=7/(x+9)
Thats ur inverse!!!
Answer:
the answer is x=6
Step-by-step explanation:
5x+4+8x-3=79
13x+1=79
13x=78
x=6
Answer:
(1/2,7/4)
Step-by-step explanation:
x=-b/2a
x=1/2
y=(1/2)^2-(1/2)+2
y=1/4-2/4+8/4
y=7/4
Answer:
<u>x</u><u> </u><u>is</u><u> </u><u>3</u>
Step-by-step explanation:


Answer:
5 1/8 pizza
Step-by-step explanation:
3/4=6/8
1/2=4/8
7/8=7/8
3
6/8+4/8+7/8=17/8= 2 1/8 pizza
3+2 1/8= 5 1/8