Use a calculator to solve the equation on the interval [0, 2?). Round the answer to two decimal places.sin x = 0.39

A. 0.40, 3.54
B. 0.40, 1.97
C. 0.40, 5.88
D. 0.40, 2.74


Answer: D

Mathematics

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Find a formula for the inverse of the function described below.A size 48 dress in Country C is size 8 in Country D. A function that converts dress sizes in Country C to those in Country D is  

A. f-1(x) = x + 16 B. f-1(x) = 2(x + 16) C. f-1(x) = 2x + 16 D. f-1(x) = 2(x - 16)

Mathematics

For the following rational function, identify the coordinates of all removable discontinuities and sketch the graph. Identify all intercepts and find the equations of all asymptotes.f(x) = 

A. removable discontinuity at (-2, 0);
x-intercept: (-2, 0), y-intercept: ;
asymptotes: x = -5, y = 1

B. removable discontinuities: ;
x-intercept: (2, 0), y-intercept: ;
asymptotes: x = 5, y = 1

C. removable discontinuities: , (-2, 0);
x-intercept: (-2, 0), y-intercept: ;
asymptotes: x = 5, y = 1

D. removable discontinuity at ;
x-intercept: (2, 0), y-intercept: ;
asymptotes: x = -5, y = 1

Mathematics

Use the choices below to fill in the blank. Choices may be used more than once or not at all. A formula for calculating a combination of n items taken r at a time is .

A.
B.
C.
D.

Mathematics

Find the first year's depreciation, using the double-declining-balance method. Round to the nearest dollar.Cost: $3800Est. life: 5 yearsEst. scrap: $800

A. $600 B. $760 C. $1520 D. $1200

Mathematics