Simplify the radical expression. Assume that all variables represent nonnegative real numbers.(5x + 10
)2
A. 25x2 + 100x
+ 4900
B. 25x2 + 4900
C. 25x2 + 100x
+ 700
D. 25x2 + 700
Answer: C
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Find the first four nonzero terms in the Maclaurin series for the function.f(x) = sin x cos x
A. 1 + x - 
x2 - 
x3 + . . .
B. x + 
x3 - 
x5 + 
x7 + . . .
C. x - 
x3 + 
x5 - 
x7+ . . .
D. x - 
x3 + 
x5 - 
x7 + . . .
Provide an appropriate response.If (a, b) is an ordered pair on the graph of f, what are the coordinates of the ordered pair on the graph of f-1?
A. (-b, a) B. (-a, -b) C. (b, a) D. (a, b)
If f(x,y) = x² + 9y², use the gradient vector ?f(10, 2) to find the tangent line to the level curve f(x, y) = 136 at the point (10, 2). Select the correct answer.
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Translate the situation into mathematical language. You need not actually solve the problem.A commercial jet has been instructed to climb from its present altitude of 8000 feet to a cruising altitude of 30,000 feet. If the plane ascends at a rate of 2000 ft/min, how long will it take to reach cruising altitude?
A. Let t represent the number of minutes to reach cruising altitude; 
B. Let t represent the number of minutes to reach cruising altitude; 
C. Let t represent the number of minutes to reach cruising altitude; 
D. Let t represent the number of minutes to reach cruising altitude; 