Use the line graph to solve the problem.The line graph represents the gallons of water in a swimming pool after x hours. There is a pump that can either add or remove water from the pool. Find the slope of the line segment from (5, 230) to
Interpret this slope as a rate of change.
A. m = - 115; The pump is removing water at a rate of 115 gallons per hour.
B. m = 115; The pump is adding water at a rate of 115 gallons per hour.
C. m = - ; The pump is removing water at a rate of
gallons per hour.
D. m = ; The pump is adding water at a rate of
gallons per hour.
Answer: C
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Use a graphing calculator to find the range of the function.y = x3 - 5
A. All real numbers y > -5 B. All real numbers y < -5 C. All real numbers D. All real numbers except y = -5
For the region R, find the horizontal line y = k that divides R into two subregions of equal area.R is the region bounded by y = 8 - x, the x-axis, and the y-axis.
A. k = 8 -
B. k = 8 + 4
C. k = 8 - 4
D. k = 1 - 4
Solve the problem using the table.Monthly Principal and Interest Payment per $1000 of MortgageConstance Hairston obtains a 30-year, $128,500 mortgage at 8% on a house selling for $154,000. Her monthly payment, including principal and interest, is $942.89. How much of the total cost will be interest?
A. $196,173.91 B. $232,033.66 C. $210,940.40 D. $274,221.60
Write the number in scientific notation.2,800,000
A. 2.8 × 10-6 B. 2.8 × 105 C. 2.8 × 10-5 D. 2.8 × 106