Question7
The function $f$ is defined by the equation $f(x)=7 x+2$ . What is the value of $f(x)$ when $x=4$ ?

Studdy Solution

STEP 1

1. We are given the function $f(x) = 7x + 2$ .
2. We need to find the value of $f(x)$ when $x = 4$ .

STEP 2

1. Substitute $x = 4$ into the function $f(x)$ .
2. Simplify the expression to find $f(4)$ .

STEP 3

Substitute $x = 4$ into the function:
$f(4) = 7(4) + 2$

STEP 4

Simplify the expression:
$f(4) = 28 + 2$ $f(4) = 30$
The value of $f(4)$ is:
$\boxed{30}$

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