Match the description with the appropriate rational function.The y-intercept is (0, 4).
A. f(x) = 
B. f(x) = 
C. f(x) = 
D. f(x) = 
Answer: A
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Answer the question.A parcel delivery service lowered its prices and finds that it has delivered twice as many parcels this year as it did last year. To illustrate this fact, the manager draws a pictogram as shown below. Each cube depicts a parcel. The side length of the "parcel" on the right is twice the side length of the "parcel" on the left. ?
Why is this pictogram misleading? What visual impression is portrayed by the pictogram?
What will be an ideal response?
Solve the problem.If a satellite reaches a speed of 7.91 kilometers per second, it will attain a circular orbit. If a satellite is placed in an orbit of 370 kilometers above the Earth, what is the equation of the path of the satellite if the origin is placed at the center of the Earth (the diameter of the Earth is approximately 12,740 kilometers)?
A. x2 + y2 = 136,900 B. x2 + y2 = 45,427,600 C. x2 + y2 = 171,872,100 D. x2 + y2 = 40,576,900
Solve.At a fixed temperature, the resistance R of a wire varies directly as the length l and inversely as the square of its diameter d. If the resistance is 0.63 ohm when the diameter is 1 mm and the length is 210 cm, what is the resistance when the diameter is 3 mm and the length is 1370 cm?
A. 0.457 ohm B. 1.37 ohm C. 152.222 ohm D. 95.9 ohm
Solve the problem.Use a tangent function to estimate the grade resistance of a 
car travelling on a -2.9° grade. Round your answer to the nearest pound.
A. 253 pounds B. -616 pounds C. -308 pounds D. -127 pounds