Simplify the expression. Assume that all variables are positive when they appear.
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Solve the problem.A cable TV company charges $22 for the basic service plus $8 for each movie channel. Let y be the total cost in dollars of subscribing to cable TV, using x movie channels. Find the slope-intercept form of the equation.
A. y = 22x - 8 B. y = 8x + 22 C. y = 22x + 8 D. y = 8x - 22
Mathematics
Use the graph of a quadratic function to find the solution set of the equation or inequality.x2 - 7x + 10 ? 0
A. {2, 5}
B. [2, 5]
C. (-?, 2) ? (5, ?)
D.
| (2, 5) |
Mathematics
Use the leading-term test to match the function with the correct graph.f(x) = x5 - x3 + x2 + 1
A. 
B. 
C. 
D. 
Mathematics
Graph the linear inequality.x + y > -5
A. 
B. 
C. 
D. 
Mathematics