Solve the problem.The sales division of a company purchased type A cell phones for $95 each and type B cell phones for $110 each. It purchased a total of 18 cell phones at a total cost of $1815. How many type A cell phones did the division purchase?
What will be an ideal response?
11 type A cell phones
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Divide.
A. 56 B. 61 C. 60 D. 58
Solve.In the land of Taxalot, the function T(x) = 0.19(x - 8500) + 0.19 represents the tax bill T of a single person whose adjusted gross income is x dollars for incomes between 8500 and 30,800 inclusive. Which variable is independent and which is dependent?
A. The independent variable is gross income; the dependent variable is adjusted gross income B. The independent variable is x; the dependent variable is 8500 C. The independent variable is T; the dependent variable is x D. The independent variable is x; the dependent variable is T
Solve and graph. Write the result in interval notation.
x ? 7
A. (?, 9]
B. (?, 7]
C. [9, ?)
D. [7, ?)
Solve the problem.Is there origin symmetry for the rational function f(x) = 
?
A. Yes B. No