## What is the domain of the function f (x) =

(A) {x | x ≠ 0}

(B) Ø

(C) all real numbers

(D) {x | x ≠ 3}

(E) {x | x ≠ 4 and x ≠ 1}

If W = XYZ, then which of the following is an expression for Z in terms of W, X, and Y?

（A） （B） （C） WXY （D） W - XY （E） W + XY

**Correct Answer: B**

An isosceles trapezoid has bases of length 5 inches and 11 inches. The area of the trapezoid is 40 square inches. What is the height of the trapezoid, in inches?

（A）4 （B） 5 （C） 7.5 （D） 17.5 （E） 35

**Correct Answer: B**

If f(x) = x^{2} - 2x + 4, then f (T + 2) = ?

（A）T^{2} - 2T + 4
（B） T^{2} - 2T
（C） T^{2} + 2T + 8
（D） T^{2} + 6T + 12
（E） T^{2} + 2T + 4

**Correct Answer: E**

### More ACT Math Exam Questions

- 1A line in the standard (x, y) coordinate plane contains the points (5, 9) and (8, 3). What is the x-intercept of this line?
- 2In a game, 100 marbles numbered 0-99 are placed into a box. A player draws 1 marble at random from the box. Without replacing the first marble, the player draws a second marble at random. If both marbles drawn have the same tens digit (that is, both are numbered 0-9 or 10-19 or 20-29, etc.), the player is a winner. If the first marble drawn is numbered 56, what is the probability that Terry will be a winner on the next draw?
- 3
An artist wants to cover the entire outside of a rectangular box with mosaic tiles. The dimensions of the box shown below are given in centimeters. If each tile is exactly one square centimeter, and the artist lays the tiles with no space between them, how many tiles will he need?

- 4Merav's school has an Olympic-size pool that is 50 meters long, 25 meters wide, and 2 meters deep. The pool is surrounded by special non-slip tiles, as shown in the figure below. Merav pays $4.00 for a ticket to her school's first swim meet to watch her classmates compete. While there, Merav buys a slice of pizza and a soda. She pays $3.75 for the pizza and $1.75 for the soda, plus 10% sales tax for both of these items. What is the total amount Merav pays for her ticket, pizza, and soda?
- 5In an isosceles triangle, the measure of each of the base angles is one-third the measure of the vertex angle. What is the measure, in degrees, of each of the base angles?