Rewrite the expression in terms of exponentials and simplify the results.cosh 9x - sinh 9x
A. 2e-9x
B. e-9x
C. e9x - e-9x
D. -9x
Answer: B
Mathematics
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L'Hopital's rule does not help with the given limit. Find the limit some other way.
A. 1 B. ? C. -1 D. 0
Mathematics
The running speed S, in centimeters per second, for certain ants depends on the temperature T in degrees Celsius. The relationship is
.
?
A: Find a formula that expresses the temperature as a function of the running speed.B: What is the temperature when the running speed is 6.27 centimeters per second?
What will be an ideal response?
Mathematics
Find the requested angle.What is the measure of an angle whose measure is nine times its supplement?
A. 159° B. 165° C. 180° D. 162°
Mathematics
Find all solutions.x3 + 2x2 - x - 2 = 0
A. {-2, 2} B. {-1, 1, -2} C. {4} D. {1, -2, 2}
Mathematics