Write the slope-intercept form of the equation for the line passing through the given pair of points.(4, 2) and (10, 2)
A. x = 4
B. 4x + 10y = 0
C. 10x + 4y = 0
D. y = 2
Answer: D
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Solve the problem.A plane flying the 3057-mile trip from City A to City B has a 30-mph tailwind. The flight's point of no return is the point at which the flight time required to return to City A is the same as the time required to continue to City B. If the speed of the plane in still air is 430 mph, how far from City A is the point of no return? Round your answer to the nearest mile.
A. 2986 miles B. 1529 miles C. 1422 miles D. 1635 miles
Add or subtract as indicated. Express the answer as a single polynomial in standard form.(8x4 - 5x2) + (4x4 + 2x2)
A. 9x12 B. 12x8 - 3x4 C. 9x6 D. 12x4 - 3x2
Subtract.55 - 24
A. 31 B. 51 C. 23 D. 79
Solve.The function N(t) = , t ? 8gives the body concentration N(t), in parts per million, of a certain dosage of medication after time t, in hours.Graph the function on the interval [8, ?) and complete the following:N(t) ?
as t ? ?.
A.
N(t) ? 0 as t ? ?.
B.
N(t) ? 1 as t ? ?.
C.
N(t) ? 0.071 as t ? ?.
D.
N(t) ? 0.083 as t ? ?.