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Nutka1998 [239]
3 years ago
11

PLS HELP!! In a class of 30 students, the height of all students was measured and assembled in the table below. Find the value o

f a.
A. 17
B. 8
C. 27
D. 14

Mathematics
1 answer:
-BARSIC- [3]3 years ago
3 0
I think may be c) 27.

But I am not sure

May be it helps!
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If f(x) = 8 – 10x and g(x) = 5x + 4, what is the value of (fg)(–2)?
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Finding (fg)(-2).

First let us find fg(x),  this is the same as f(g(x))

f(g(x))

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Recall, f(x) = 8 - 10x, therefore f(5x + 4) would be such that anywhere we see x in the f(x), we replace it with 5x + 4

f(x) = 8 - 10x

f(5x +4) =  8 - 10(5x + 4)

             =  8 - 50x - 40

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