Determine whether the given point is on the graph of the equation.3x + 2y2 = 11; (3, -1)
A. Yes
B. No
Answer: A
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Solve.Each month a beauty salon gives x manicures for $12.00/manicure. The cost to the owner of the beauty salon for each manicure is $7.35. The monthly fixed cost to maintain a manicure station is $120.00. Write an equation that relates the monthly profit, in dollars, to the number of manicures given each month. Then use the equation to find the monthly profit when 200 manicures are given in a month.
A. P = 7.35x - 120; $1350 B. P = 4.65x - 120; $810 C. P = 4.65x; $930 D. P =12x - 120; $2280
Factor the expression completely, if possible.z3 + 512
A. (z + 8)(z2 + 64) B. (z - 512)(z2 - 1) C. (z - 8)(z2 + 8z + 64) D. (z + 8)(z2 - 8z + 64)
Solve the problem.There are currently 80 million cars in a certain country, decreasing by 3.4% annually. How many years will it take for this country to have 58 million cars? Round to the nearest year.
A. 3 yr B. 9 yr C. 6 yr D. 91 yr
The graph of a function is given. Determine whether the function is increasing, decreasing, or constant on the given interval.(-1, 0)
A. decreasing B. increasing C. constant