Find the indicated intercept(s) of the graph of the function.y-intercept of f(x) = 
A. 
B. 
C. (0, 7)
D. none
Answer: A
Mathematics
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Simplify the expression. Assume that all variables are positive when they appear.
A. 
- 
B. 
C. 
D. 
Mathematics
Find the sum of the first five terms of the geometric sequence.a = -16, r = -4
A. -3280 B. 816 C. 240 D. -10,280
Mathematics
Solve the problem.Find a vector v whose magnitude is 7 and whose component in the i direction is five times the component in the j direction.
A. v = 
i + 
j
or
v = - 
i - 
j
B. v = 
i + 
j
or
v = - 
i - 
j
C. v = 
i - 
j
or
v = - 
i + 
j
D. v = - 
i + 
j
or
v = 
i - 
j
Mathematics
Solve the combined inequality. Write the solution in interval notation.-6 < 5x + 4 ? 14
A. [-2, 2) B. (-2, 2) C. [-2, 2] D. (-2, 2]
Mathematics