The graph of a function f is given. Use the graph to answer the question.Find the numbers, if any, at which f has a local maximum. What are the local maxima?
A. f has a local maximum at x = -2 and 2; the local maximum is 0
B. f has a local maximum at x = 0; the local maximum is 3
C. f has a local maximum at x = 2; the local maximum is 3
D. f has no local maximum
Answer: B
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A diagnostic test for a certain disease has a sensitivity of 0.82 and a specificity of 0.88. The probability that a patient has the disease is estimated as 0.25. The diagnostic test is given and returns positive. What is the posterior probability that the patient has the disease?
What will be an ideal response?
Rationalize the denominator.
A. -11 - 2
B. 11 + 2
C. 11 - 2
D. 2
- 11
Find the expression.u = -4i - 4j, v = 8i + 7j
Find u + v.
A. 4i + 3j B. -12i + 3j C. 12i + 3j D. 3i + 3j
Simplify the expression.-18 + 8 - 9
A. 19 B. -19 C. -1 D. -17