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1 vote
Given f(x)= 10-2x, find f(7).
*-4
*3
*7
*56

User Nyan
by
8.6k points

2 Answers

7 votes

Answer:


\displaystyle -4 = f(7)

Explanation:


\displaystyle 10 - 2[7] = -14 + 10 = -4

I am joyous to assist you anytime.

User Tapan Nallan
by
8.9k points
7 votes
f(7) means that the x value is 7, so all you have to do is substitute 7 into the equation.

f(7)=10-2(7)
or more simply,
y=10-2(7)
y=10-14
y=-4

So the answer would be -4
User Jasper Blues
by
7.7k points

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