Use a calculator to find the approximate value. Express your answer in degrees rounded to two decimal places.arcsin 0.72
A. 35.75°
B. 92.11°
C. 46.05°
D. 43.95°
Answer: C
Mathematics
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Given y = f(u) and u = g(x), find dy/dx = f'(g(x))g'(x).y = csc u, u = x4 + 2x
A. -(4x3 + 2) csc (x4 + 2x) cot (x4 + 2x) B. -(4x3 + 2) csc x cot x C. - csc (x4 + 2x) cot (x4 + 2x) D. -(4x3 + 2) cot2(x4 + 2x)
Mathematics
Solve the equation.-9b + 5 + 7b = -3b + 10
A. {-10} B. {-5} C. {10} D. {5}
Mathematics
Use properties of logarithms to expand the logarithmic expression as much as possible. Where possible, evaluate logarithmic expressions without using a calculator.ln 
A. 
ln y + 
B. 
ln 
+ 
C. 
D. 3 ln y + 3
Mathematics
Add or subtract by first simplifying each radical (if needed) and then combining any like radical terms.
+ 
A. 8
B. 7
C. 8
D. 7
+ 3
Mathematics