SAT Math Question of the Day

Math Category: Functions:

Q: If h(a) = -3a2 + 6a - 4, then h(1) =

  1. -13
  2. -1
  3. 1
  4. 5
  5. 7

UNANSWERED.

The correct answer is B.

A: The answer is -1. To solve this function problem, plug in the number 1 wherever the a occurs
h(a) = -3a2 + 6a - 4
h(1) = -3(1)2 + 6(1) - 4
      = -3 + 6 - 4
      = -1