Hi there!
f(x) = 3x + 2, find f(5):
To find f(5), we simply substitute in 5 for x:
f(5) = 3(5) + 2
f(5) = 15 + 2
f(5) = 17
(7)(-6)......simplify please
1 answer:
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Let x be the amount each friend pays .
There are five friends contributing ,so 5x will be the total money collected .
It needs to equal the price plus the tax, 210 + 15 = 225
So the equation becomes,
5x = 225
dividing right side by 5, we have
x = 225/5 = 45
Answer: So each frien pays $45.