Solve the problem.A moving firm charges a flat fee of $45 plus $40 per hour. Let y be the cost in dollars of using the moving firm for x hours. Find the slope-intercept form of the equation.
A. y = 40x + 45
B. y = 45x - 40
C. y = 40x - 45
D. y = 45x + 40
Answer: A
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Find the domain and range of the function.F(t) = t2 - 2
A. D: (-?, ?), R: [-2,?) B. D: (-?, ?), R: (-?, ?) C. D: [-4,?), R: [-2,?) D. D: [0, ?), R: (-?, -2]
Parametric equations and a parameter interval for the motion of a particle in the xy-plane are given. Identify the particle's path by finding a Cartesian equation for it. Graph the Cartesian equation. Indicate the portion of the graph traced by the particle and the direction of motion.x = 4 cos t, y = 4 sin t, ? ? t ? 2?
A. x2 + y2 = 1
Clockwise from (1, 0) to (1, 0), one rotation
B. x2 + y2 = 16
Counterclockwise from (-4, 0) to (4, 0)
C. x2 + y2 = 16
Clockwise from (4, 0) to (-4, 0)
D. x2 + y2 = 16
Counterclockwise from (4, 0) to (4, 0), one rotation
Solve the problem.How many 10-digit telephone numbers (area code + number) are possible if the first digit cannot be zero, the first three digits cannot be 800 or 900, and the number must end in 0000?
A. 899,000 B. 900,000 C. 654,642 D. 898,000
Provide an appropriate response.
Find x indicated in the given figure.
A. 56.5° B. 47.0° C. 43.0° D. 80.4°