Let f(x) = 3x - 7 and g(x) = -2x -6. Find (f x g)(4) Include steps please.
1 answer:
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Answer:
The correct answer is "x = 4" and "x = -12".
Step-by-step explanation:
The given equation is:
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On subtracting "18" from both sides, we get
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⇒
On applying factorization, we get
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On taking common, we get
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⇒
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or,
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Answer:
C) 15
Step-by-step explanation:
Here we have to use the combination to find the number of possible combinations.
Total number of classmates (n) = 6
We are selecting 2 individuals. So r = 2.
The combination formula nCr =
Plug in n = 6 and r =2, in the above formula, we get
=
=
Simplifying the above factorial, we get
= 15
So the answer is C) 15