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Answer:
4(2x+5x)
Step-by-step explanation:
Factor 4 out of 8x+20z
ANSWER
1. k=13
2. x=-10
EXPLANATION
The given function is

To find f(x+5), plug in (x+5) wherever you see x.
This implies that:

Expand:

Simplify to obtain

We now compare with,

This implies that:

To find the smallest zero of f(x+5), we equate the function to zero and solve for x.





The smallest zero is -10.
Step-by-step explanation:
-25 = -5/3u
-25.3u = -5
-75u = -5
u = -5/-75
u = 1/15