sat suite question viewer

Algebra / Linear functions Difficulty: Easy

The function f is defined by fx=4x. For what value of x does fx=8?

Back question 17 of 152 Next

Explanation

The correct answer is 2 . Substituting 8 for fx in the given equation yields 8=4x. Dividing the left- and right-hand sides of this equation by 4 yields x=2. Therefore, the value of x is 2 when fx=8.