Write the relationship as an equation or formula.Three times the sum of a number n and 4 is 6 times n.
A. 3n = 4 + 6n
B. 3 + n + 4 = 6n
C. 3(n + 4) = 6n
D. 3n + 4 = 6n
Answer: C
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Answer the question.List the first four multiples of 15x and of 10x
A. 15x, 225x, 3375x, 50,625x; 10x, 100x, 1000x, 10,000x
B. 15x, 30x, 45x, 60x; 10x, 20x, 30x, 40x
C. 75x, 90x, 105x, 120x; 50x, 60x, 70x, 80x
D. 15x, 
x, 5x, 
x; 10x, 5x, 
x, 
x
Match the equation to its graph.y = 2(x - 2) + 5
A. 
B. 
C. 
D. 
A manufacturer finds that the revenue generated by selling x units of a certain commodity is given by the function, R(x) = 80x - 0.2x² where the revenue R x( ) is measured in dollars. What is the maximum revenue, and how many units should be manufactured to obtain this maximum?
(a) Maximum Revenue: $8,000 when x ? 2000 units are manufactured (b) Maximum Revenue: $8,000 when x ? 100 units are manufactured (c) Maximum Revenue: $8,500 when x ? 250 units are manufactured (d) Maximum Revenue: $9,000 when x ? 200 units are manufactured (e) none of these
Solve.The owner of Nuts2U Snack Shack mixes cashews worth $5.75 a pound with peanuts worth $2.10 a pound to get a half-pound mixed nut bag worth $1.70. How much of each kind of nut is included in the mixed bag?
A. 0.18 lb of cashews and 0.32 lb of peanuts B. 0.10 lb of cashews and 0.90 lb of peanuts C. 0.32 lb of cashews and 0.18 lb of peanuts D. 0.07 lb of cashews and 0.93 lb of peanuts