Find the indicated intercept(s) of the graph of the function.x-intercepts of f(x) = 
A. (0, 0) and (-7, 0)
B. (7, 0)
C. (-7, 0)
D. (0, 0) and (7, 0)
Answer: A
Mathematics
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Find k such that the function is a probability density function over the given interval.f(x) = 
, 1 ? x ? 5
A. 1 - ln 5
B. ln 5
C. 
D. 
Mathematics
Tell whether or not the rational expressions are equivalent.
, 
A. Yes B. No
Mathematics
Solve the problem.A class consisting of 160 students is given an exam. The first quartile for the scores on the exam is 42. This means that
A. 80 students scored 42 or higher. B. 40 students scored 42 or higher. C. 120 students scored 42 or higher. D. 25 students scored 42 or higher. E. none of these
Mathematics
Solve the equation for the indicated variable.A = 
bh
for b
A. b = 
B. b = 
C. b = 
D. b = 
Mathematics