Solve the problem.A wheel with a 22-inch radius is marked at two points on the rim. The distance between the marks along the wheel is found to be 5 inches. What is the angle (to the nearest tenth of a degree) between the radii to the two marks?
A. 13.0°
B. 15.0°
C. 9.0°
D. 11.0°
Answer: A
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Find the domain and range and describe the level curves for the function f(x,y).f(x, y) = sin-1(x2 + y2)
A. Domain: all points in the xy-plane; range: all real numbers; level curves: circles with centers at (0, 0)
B. Domain: all points in the xy-plane satisfying x2 + y2 ? 1; range: real numbers - 
? z ? 
; level curves: circles with centers at (0,0) and radii r, 0 < r ? 1
C. Domain: all points in the xy-plane; range: real numbers - 
? z ? 
; level curves: circles with centers at (0, 0)
D. Domain: all points in the xy-plane satisfying x2 + y2 ? 1; range: real numbers - 
? z ? 
; level curves: circles with centers at (0, 0)
Factor the polynomial using the greatest common binomial factor.x(y - 7) - 4(y - 7)
A. 4x(y - 7) B. (xy - 7x)(4y - 28) C. (y - 7)(x + 4) D. (y - 7)(x - 4)
Solve the problem.If an object is dropped off of a tower, the velocity, V, of the object after t seconds can be obtained by multiplying t by 32 and adding 10 to the result. Express V as a linear function of t.
A. V(t) = 32t + 10
B. V(t) = 42t
C. V(t) = 32 + 10t
D. V(t) = 
For the given compound inequality, state whether intersection or union should be used. Then give the solution set in both interval and graph forms.x ? -4 or x > 6
A. Union; [-4, 6)
B. Union; (-?, ?)
C. Union; (-?, -4] ? (6, ?)
D. Intersection; ?