Find the slope of the curve at the given point P. y = x3 - 7x, P(1, -6)
A. -4
B. 3
C. -7
D. -9
Answer: A
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Solve the problem.A vendor has learned that, by pricing hot dogs at $1.00, sales will reach 120 hot dogs per day. Raising the price to $2.00 will cause the sales to fall to 68 hot dogs per day. Let y be the number of hot dogs the vendor sells at x dollars each. The linear equation y = -52x + 172 models the number of hot dogs sold per day when the price is x dollars each. Interpret the slope.
A. The number of hot dogs sold decreases at a rate of 172 per $1 increase in the price per item. B. The number of hot dogs sold increases at a rate of 52 per $1 increase in the price per item. C. The price of hot dogs decreases at a rate of $52 per item sold. D. The number of hot dogs sold decreases at a rate of 52 per $1 increase in the price per item.
Subtract.8,579 - 144
A. 435 B. 8,347 C. 8,435 D. 8,427
Provide an appropriate response.Given two points (x1, y1) and (x2, y2), where x1 ? x2, what is the formula for the slope of the line connecting the two points?
A. m = 
B. m = 
C. m = 
D. m = 
Find the root. If the root is not a real number, so state.
A. -4 B. 8 C. 4 D. not a real number