Question

If f(x) = StartFraction x Over 2 EndFraction + 8, what is f(x) when x = 10?

4
9
13
36

Answer 1

Answer:

13

Step-by-step explanation:

You are given the function

$f(x)=\dfrac{x}{2}+8$

To find the value of the function f(x) at point x=a, you have to substitute a instead of x into the function expression.

In your case, you have to evaluate f(x) when x=10. Substitute 10 instead of x into the function expression:

$f(10)=\dfrac{10}{2}+8=5+8=13$

Answer 2

The value of f(x) when x = 10 is 13

The equation of the function is given as:

$f(x) = \frac x2 + 8$

Substitute 10 for x, to calculate f(10)

$f(10) = \frac {10}2 + 8$

Evaluate the quotient

$f(10) = 5 + 8$

Evaluate the sum

$f(10) =13$

Hence, the value of f(x) when x = 10 is 13

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