Perform the indicated operation.(4x + 7) - (-x + 6)
A. 3x + 13
B. 5x + 1
C. 5x + 13
D. 4x + 13
Answer: B
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Solve the problem.In 1995 the United States recovered 20% of its municipal wastes through recycling, up from 17% in 1990. Let P represent the percentage recycled and t the number of years since 1990. Find a linear function P(t) that fits this data. Use this function to predict the percentage recycled in 2003.
A. 21.2% B. 26.5% C. 22.9% D. 24.8%
Find the correct end behavior diagram for the given polynomial function.f(x) = 3.16x4 + 2x2 + x - 7
A. 
B. 
C. 
D. 
Solve the polynomial inequality. Express your solution on a number line using interval notation.(x + 4)(x - 1)(x - 5) > 0
A. (-?, -4) ? (1, 5)
B. (5, ?)
C. (-4, 1) ? (5, ?)
D. (-?, 1)
Find the determinant of the given matrix.
A. -7a + 5b B. ba - 35 C. 35 - ab D. 7a - 5b