The graph of f(x) was vertically translated down by a value of k to get the function g(x) = 5x + k. What is the value of k? A -7
B -6 C 5 D 7
2 answers:
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Answer:
Step-by-step explanation:
Given
Points (−5,−2) and (−3,0)
Required
Find a linear function that passes through the given points
The question implies that we solve for the equation for the line;
First, the slope of the line must be calculated;
This is calculated as thus:
Where
So, becomes
The equation of the line can then be calculated using any of the given points;
Using
We have
Multiply both sides by x + 5
Subtract 2 from both sides
Replace y with f(x)
Hence, from the list of given options; Option B is correct