Find the requested function value of ?.If sin ? = 0.7857, find sec ?.
A. 0.7873
B. 0.6186
C. 1.617
D. 1.270
Answer: C
Mathematics
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Find the expected value.Mr. Cameron is sponsoring an summer concert. He estimates that he will make $300,000 if it does not rain and make $60,000 if it does rain. The weather bureau predicts the chance of rain is 0.34 for the day of the concert. What are Mr. Cameron's expected concert earning?
A. $300,000 B. $360,000 C. $60,000 D. $218,400
Mathematics
Change the logarithmic expression to an equivalent expression involving an exponent.log28 = 3
A. 83 = 2 B. 28 = 3 C. 23 = 8 D. 32 = 8
Mathematics
Decide whether the expression is or is not an identity.
= sin x
A. Identity B. Not an identity
Mathematics
Indicate in which quadrant the point lies.(4, 6)
A. quadrant IV B. quadrant I C. quadrant III D. quadrant II
Mathematics