Provide an appropriate response.Use the fundamental identity cosh2 x - sinh2 x = 1 to verify the identity. 1 - tanh2 x = sech2 x
What will be an ideal response?
- 
= 
? 1 - tanh2 x= sech2 x
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Solve the problem.What is the difference between a daytime temperature of 16° F and a nighttime temperature of -7° F?
A. 9°F B. -23°F C. 23°F D. -9°F
Solve the problem.Find the producer's surplus if the supply function of some item is given by 
Assume that supply and demand are in equilibrium at 
A. 17,200 B. 19,800 C. 12,700 D. 18,900
Determine a window that will provide a comprehensive graph of the polynomial function.y = - 
x6 - 2x3 + 3x2 - ?
A. [-2, 2] by [-10, 5] B. [-0.5, 0.5] by [-10, 10] C. [-5, 5] by [-2, 2] D. [-10, 20] by [10, 50]
Compute the compound interest.How long must $5900 be in a bank at 6% compounded annually to become $9967.93? (Round to the nearest year.)
A. 8 yr B. 9 yr C. 11 yr D. 10 yr