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Mademuasel [1]
3 years ago
7

If g(x) = 2x + 3 and f(x) = x2 − 49x, find all solutions of the equation f(g(x)) = 0.

Mathematics
1 answer:
sdas [7]3 years ago
4 0
Basically you just have to plug in g(x) wherever you see an x in the equation f(x) since x is f(x) you just substitute it . So f(g(x))=2x+3

You then just have to solve for 0

0=2x+3
Subtract 3 from both sides
-3=2x
Divide by 2
X=-3/2
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Which linear function represents the line given by the point slope equation y + 7= 2/3(x+6)
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Hello from MrBillDoesMath!

Answer:   f(x) =   (2/3)*x -3   -- which is not a provided answer..


Discussion:


We are given that y + 7 = (2/3) * (x + 6). Multiply out the right hand side:


y + 7 = (2/3) * x + (2/3) * 6 = (2/3) *x + 12/3

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Thank you,

MrB


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