Solve the problem.If f(x) = -6x + 9 and g(x) = 2x + 5, find g(f(x)).
A. 12x + 23
B. -12x + 23
C. -12x + 39
D. -12x - 13
Answer: B
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Solve the problem.Midtown Delivery Service delivers packages which cost $1.40 per package to deliver. The fixed cost to run the delivery truck is $384 per day. If the company charges $5.40 per package, how many packages must be delivered daily to make a profit of $40?
A. 96 packages B. 56 packages C. 274 packages D. 106 packages
Translate the problem to a system of equations; then solve using the elimination method.Anne and Nancy use a metal alloy that is 16.4% copper to make jewelry. How many ounces of an alloy that is 10% copper must be mixed with an alloy that is 21% copper to form 110 ounces of the desired alloy?
A. 46 ounces B. 69 ounces C. 48 ounces D. 64 ounces
Use the given conditions to write an equation for the line in the indicated form.Passing through (4, 3) and perpendicular to the line whose equation is y = 9x + 7;point-slope form
A. y - 4 = 
(x - 3)
B. y - 3 = 
(x + 4)
C. y = - 9x - 31
D. y - 3 = - 
(x - 4)
Solve the problem.A carpenter is building a rectangular room with a fixed perimeter of 
What are the dimensions of the largest room that can be built? What is its area?
A. 60 ft by 60 ft; 3600 ft2 B. 12 ft by 108ft; 1296 ft2 C. 30 ft by 90 ft; 2700 ft2 D. 30 ft by 30 ft; 900 ft2