Use an algebraic approach to solve the problem. Find three consecutive integers whose sum is 48.
?
A. -15, -16, -17
B. 15, 14, 13
C. 17, 18, 19
D. 20, 21, 22
E. 15, 16, 17
Answer: E
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Solve the problem.A gas station sells 4820 gallons of regular unleaded gasoline in a day when they charge $4.35 per gallon, whereas they sell 3995 gallons on a day that they charge $4.40 per gallon. Find a linear function that expresses gallons sold as a function of price. Use this function to predict the number of gallons sold at a price of $4.16 per gallon.
A. 7951.7 gal B. 7959.1 gal C. 7955 gal D. 7964 gal
Rotate the axes so that the new equation contains no xy-term. Discuss the new equation.24xy - 7y2 + 36 = 0
A. ? = 53.1°
- 
= 1
hyperbola
center at (0, 0)
transverse axis is the y'-axis
vertices at (0, ±2)
B. ? = 36.9°
- 
= 1
hyperbola
center at (0, 0)
transverse axis is the y'-axis
vertices at (0, ±3)
C. ? = 36.9°
- 
= 1
hyperbola
center at (0, 0)
transverse axis is the y'-axis
vertices at (0, ± 
)
D. ? = 36.9°
- 
= 1
hyperbola
center at (0, 0)
transverse axis is the y'-axis
vertices at (0, ±2)
Simplify the expression. Assume that all variables are positive when they appear.
A. 
B. 
C. 
D. 
Solve the problem.The forearm length in centimeters, A, can be approximated by a linear function of the foot length in centimeters, f. Use the points (25, 24) and (33, 33) to find a linear model for the data in the table below. 
A. A = 1.125f - 4.125 B. A = 1.125f + 4.125 C. A = f - 1 D. A = 0.889f + 1.775