Solve the polynomial inequality by graphing.(x + 1)(x - 4)2 > 0
A. (-1, ?)
B. (-1, -4) ? (-4, ?)
C. (-?, ?)
D. (-1, 4) ? (4, ?)
Answer: D
Mathematics
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Use the Trapezoidal Rule with n = 4 steps to estimate the integral.
A. 22
B. 
C. 15
D. 11
Mathematics
Determine whether or not the function is one-to-one.f(x) = x2 + 3
A. Yes B. No
Mathematics
Solve for x. Assume that a and b represent positive real numbers.x2 = 4b
A. 
B. 
C. {2b, -2b}
D. 
Mathematics
Solve the system graphically. Give x- and y-coordinates correct to the nearest hundredth.y = log (x + 7)y = x3
A. {(2.07, .69)} B. {(-2.50, 1.49)} C. {(-1.83, 1.64), (1.68, 2.16)} D. {(0.97, 0.90)}
Mathematics