Graph the linear function.f(x) = 
x
A. 
B. 
C. 
D. 
Answer: D
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Use Euler's method to approximate the solution. Also find the exact solution. Round your answers to four decimal places.Use Euler's method with h = 0.5 to approximate y(5) given that y' = 2y2/
and y(1) = -1 . Also find the exact value of y(5).
A. y(5) ? -0.0879; the exact solution is y(5) = -0.1893 B. y(5) ? 0.0821; the exact solution is y(5) = -0.1601 C. y(5) ? -0.1949; the exact solution is y(5) = -0.2594 D. y(5) ? -0.1482; the exact solution is y(5) = -0.2224
A recursion formula and the initial term(s) of a sequence are given. Write out the first five terms of the sequence.a1 = 5, an+1 = -an
A. 5, -25, 125, -625, 3125 B. 5, 0, -5, -10, -15 C. -5, 5, -5, 5, -5 D. 5, -5, 5, -5, 5
Solve the problem.A racetrack curve is banked so that the outside of the curve is slightly elevated or inclined above the inside of the curve. This inclination is called the elevation of the track. The maximum speed on the track in miles per hour is given by
where r is the radius of the track in miles and ? is the elevation in degrees. Find the maximum speed for a racetrack with an elevation of 25° and a radius of 
Round to the nearest mile per hour.
A. 34,025 mph B. 183 mph C. 16,635 mph D. 155 mph
The graph of an exponential function is given. Match the graph to one of the following functions.
A. f(x) = 5x - 1 B. f(x) = 5x - 1 C. f(x) = 5x + 1 D. f(x) = 5x