Determine whether the function is a probability density function over the given interval.f(x) = 
, [5, 7]
A. Yes
B. No
Answer: A
Mathematics
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Find the perimeter or circumference.A circle whose radius measures 12 ft (Use 3.14 for ? .)
A. 144 ft B. 452.16 ft C. 75.36 ft D. 37.68 ft
Mathematics
Solve the problem.If x varies inversely as v, and x = 48 when v = 8, find x when v = 64.
A. 48 B. 64 C. 8 D. 6
Mathematics
Find the slope and the y-intercept from the equation of the line. Sketch a graph of the equation.5x - 2y + 3 = 0
A. m = - 
; y-intercept = 
B. m = 
; y-intercept = 
C. m = 
; y-intercept = - 
D. m = - 
; y-intercept = - 
Mathematics
Solve the problem.A $280 watch is on sale at 10% off. Find the sale price.
A. $252.00 B. $28.00 C. $2772.00 D. $2.80
Mathematics