Simplify.87 - 2 ? 4 ? 5
A. 76
B. 1700
C. 47
D. 395
Answer: C
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Graph the exponential function whose equation is given. Start by using -2, -1, 0, 1, and 2 for x and finding the corresponding values for y.f(x) = 
x
A. 
B. 
C. 
D. 
Write the function in terms of its cofunction. Assume that any angle in which an unknown appears is an acute angle.csc 35°
A. csc 145° B. sec 55° C. sin 55° D. sec 35°
Solve the equation (x in radians and ? in degrees) for all exact solutions where appropriate. Round approximate answers in radians to four decimal places and approximate answers in degrees to the nearest tenth.
= 1
A. ? B. {45° + 360°n, 101.3° + 360°n} C. {0° + 180°n, 45° + 180°n, 101.3° + 180°n} D. {45° + 180°n, 101.3° + 180°n}
Use a graphing utility to approximate the real solutions, if any, of the equation rounded to two decimal places.x3 - 6x + 3 = 0
A. {2.67, -0.52, -2.15} B. {2.15, 0.52, -2.67} C. {-0.48} D. no solution