Find the special product.(4y + x)(4y - x)
A. 16y2 - x2
B. 16y2 + 8xy - x2
C. 8y2 - x2
D. 16y2 - 8xy - x2
Answer: A
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Solve the problem.A ladder is resting against a wall. The top of the ladder touches the wall at a height of 15 ft. Find the length of the ladder if the length is 5 ft more than its distance from the wall.
A. 15 ft B. 20 ft C. 30 ft D. 25 ft
Solve the equation.3x - 7 = 4(x + 8)
A. {-25} B. {-39} C. {39} D. {25}
Solve the problem.A research team collected data concerning a local habitat for an endangered species of bird. The data are summarized in the graph below. Call the function f.
Does f have an inverse? Why or why not?
A. No, because it fails the horizontal line test. B. Yes, because it passes the vertical line test. C. No, because it fails the vertical line test. D. Yes, because it passes the horizontal line test.
Solve the equation.log2(3x - 2) - log2(x - 5) = 4
A. 
B. {6}
C. {18}
D. 