Solve the problem.Of 94 bicycles in a bike rack, 53 are mountain bikes. What fraction of the bicycles are mountain bikes?
A. 
B. 
C. 
D. 
Answer: C
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a. Find the derivative function f' for the function f. b. Find an equation of the line tangent to the graph of f at (a, f(a)) for the given value of a.f(x) = 6x2 - 5x - 2; a = 1
A. a. f'(x) = 12x2 - 5; b. tangent line is y = 12x + 1 B. a. f'(x) = 12x2 - 5; b. tangent line is y = 7x + 1 C. a. f'(x) = 12x - 5; b. tangent line is y = 12x - 13 D. a. f'(x) = 12x - 5; b. tangent line is y = 7x - 8
Find the slope and the y-intercept of the line.2x - 5y = -5
A. Slope: 
; y-intercept: (0, 1)
B. Slope: - 
; y-intercept: (0, 1)
C. Slope: - 
; y-intercept: (0, -1)
D. Slope: 
; y-intercept: (0, -1)
Find the area of the region specified in polar coordinates.the region inside both 
and 
A. 
(? - 1)
B. 
(? - 2)
C. 
(? - 1)
D. 
(? - 2)
Solve.In one week, Mahesh worked 32.5 hours washing windows and earned $247.50, including tips. How much did Mahesh earn per hour? (Round to the nearest cent if necessary.)
A. $7.62 B. $7.72 C. $7.60 D. $7.64