Write a slope-intercept equation for a line with the given characteristics.Passes through (-7, 0) and (0, 3)
A. y = 
x + 3
B. y = - 
x + 3
C. y = 
x + 3
D. y = - 
x + 3
Answer: C
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Divide and simplify.
÷ 
A. x - 4
B. 
C. 
D. 
Solve the system using matrices. If there is no solution or if there are infinitely many solutions and a system's equations are dependent, so state.
A. infinitely many solutions; dependent equations B. {(3, -2, 0)} C. no solution or ? D. {(0, 0, -2)}
Find the indicated function.The monthly revenue and cost functions for a manufacturer of stereos are 
and 
where x denotes the number of stereos produced. What is the monthly profit function? Note: Profit = Revenue - Cost.
A. P(x) = -0.06x2 + 351x - 650,000 B. P(x) = -0.06x2 + 329x + 650,000 C. P(x) = -0.06x2 + 329x - 650,000 D. P(x) = -0.06x2 + 351x + 650,000
Solve the absolute value inequality. Write your answer in interval notation.|x| < -4
A. No solution B. (-?, -4) C. (-4, 4) D. (-?, -4) ? (4, ?)