Answer:
(1,-12)
Step-by-step explanation:
-10+5y=-50
5y=-60
y=-12
10x-60=-50
10x=10
x=1
You were using it for 6 hours because 70-25 is 45 and if you divide 7.50 and hour and 45 it’s 6
Answer:
The graph in the attached figure
Step-by-step explanation:
we have

we know that
To find out the function f(x+1) exchange the variable x for (x+1) in the function f(x)
so



therefore

using a graphing tool
see the attached figure