Use the slope and y-intercept to graph the function.f(x) = 2x - 1
A. 
B. 
C. 
D. 
Answer: A
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Perform the indicated operations and simplify the result. Leave the answer in factored form.
- 
A. 
B. 
C. 1
D. 
Solve the problem.When a tow truck is called, the cost of the service is given by the linear function 
, where y is in dollars and x is the number of miles the car is towed. Find and interpret the slope and y-intercept of the linear equation.
A. m = 50; The cost of the service increases $50 every mile the car is towed. y-intercept: 3; The cost of the service is $3 if the car is not towed. B. m = 3; The cost of the service increases $3 every mile the car is towed. y-intercept: 50; The cost of the service is $50 if the car is not towed. C. m = 3; The number of miles the car is towed increases 3 miles for every dollar spent on the service. y-intercept: 50; The tow truck will tow the car 50 miles for no cost. D. m = 50; The number of miles the car is towed increases 50 miles for every dollar spent on the service. y-intercept: 3; The tow truck will tow the car 3 miles for no cost.
Solve the problem.The distance a frog can jump can be estimated from the length of its back legs. The relationship is a linear function D(x) = 11.88x + 1.03, where D(x) is the distance jumped in inches and x is the length of the frog's hind legs in inches. Estimate how far a frog with 2.7 inch hind legs can jump.
A. 33.11 in. B. 14.58 in. C. 15.61 in. D. 12.91 in.
Multiply.× 
A. 0.003035 B. 0.0003035 C. 3.035 D. 0.03035