Use the product-to-sum and sum-to-product identities to prove the stated identity.tan 
= 
What will be an ideal response?
= 
= 
= tan 
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A value of sinh x or cosh x is given. Use the definitions and the identity 
to find the value of the other indicated hyperbolic function.cosh x = 
, x < 0, csch x =
A. 
B. - 
C. - 
D. - 
Determine whether the sequence is geometric.1, 
, 15, 15
, . . .
A. Geometric B. Not geometric
Solve the problem.Matt bought 3 pounds of oranges and 2 pounds of apples and paid src="https://sciemce.com/media/4/ppg__fdgfd0509192127__f1q72g4.jpg" alt="" style="vertical-align: -15.0px;" />
A. $0.79 per pound
B. $0.74 per pound
C. $0.72 per pound
D. $0.76 per pound
before tax. Andy bought 4 pounds of oranges and 3 pounds of apples and paid 
before tax. Use this information to set up a matrix equation of the form AX = B , which can be solved to determine the price per pound for oranges and apples. Solve this matrix equation to find the price per pound of oranges.Use the fact that for 
Solve the problem.The number of bacteria growing in an incubation culture increases with time according to 
where x is time in days. After how many days will the number of bacteria in the culture be 4,687,500?(Hint: Let B(x) = 4,687,500.)
A. 10 days B. 6 days C. 4 days D. 1 day