Rewrite the quadratic equation in the form ax2 + bx + c = 0, then identify a, b, and c. (5x - 8)(x) = 7
A. a = -5, b = -8, c = -7
B. a = 5, b = -8, c = 7
C. a = 5, b = -8, c = -7
D. a = 5, b = 8, c = 7
Answer: C
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For the graph of the function y = f(x), find the absolute maximum and the absolute minimum, if it exists.
A. Absolute maximum: none; Absolute minimum: f(1) = 2 B. Absolute maximum: none; Absolute minimum: none C. Absolute maximum: f(4) = 7; Absolute minimum: none D. Absolute maximum: f(4) = 7; Absolute minimum: f(1) = 2
A diagnostic test for a certain disease has a sensitivity of 0.98 and a specificity of 0.96. The probability that a patient has the disease is estimated as 0.2. The diagnostic test is given and returns negative. What is the posterior probability that the patient does not have the disease?
What will be an ideal response?
Simplify.
A. 
B. 
C. 4x - 1
D. 
Multiply.(x - 7)(x2 + 7x - 9)
A. x3 - 14x2 - 58x + 63 B. x3 + 14x2 + 58x - 63 C. x3 + 40x - 63 D. x3 - 58x + 63