The Slope of f(x) = –7x + 9 is (-7)
The slope of h(x) = –5(–7x + 9) is (35)
The y-int of h(x) is (-45).
On the third step it adds 8 on both sides. You are suppose to subtract 8 on both sides.
Answer:
see the explanation
Step-by-step explanation:
we know that
The y-intercept is the value of the function when the value of x is equal to zero. Also is called the initial value of the function
I will analyze two cases
Part 1) we have

so
For x=0
substitute

therefore
The y-intercept is the point (0,0)
Part 2) we have

so
For x=0
substitute

therefore
The y-intercept is the point (0,-1)
Answer:

Step-by-step explanation:
Divide each term by
and simplify.
Hope this helps :)
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