Find the period and phase shift, and graph the function for –2? ? x ? 2?
y = 3tan(x) for
Mathematics
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Add or subtract and write answer in lowest terms.13
- 
A. 12
B. 11
C. 12
D. 13
Mathematics
What property of addition is used in the equality?0 + 9 = 9
A. Additive-identity property B. Associative property C. Closure property D. Commutative property
Mathematics
Solve the problem.Assume that the sales of a certain appliance dealer are approximated by a linear function. Suppose that sales were $7000 in 1982 and $76,500 in 1987. Let x = 0 represent 1982. Find the equation giving yearly sales y.
A. S(x) = 69,500x + 76,500 B. S(x) = 69,500x + 7000 C. S(x) = 13,900x + 76,500 D. S(x) = 13,900x + 7000
Mathematics
Translate to an equation and solve. 140 is what percent of 280?
A. 50% B. 40% C. 100% D. 200%
Mathematics