Add the numbers using the number line.-7 + 0 
A. -7
B. -70
C. 7
D. 0
Answer: A
Mathematics
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Graph the curve over the given interval together with its tangent at the given value of x. Graph the tangent with a dashed line.y = cot(x), -2? ? x ? 2?, x = 
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.Find the gasoline price index for a year in which the cost of gasoline was $1.87 per gallon. Use the 1965 price as the reference value. In 1965, the cost of gasoline was 31.2 cents per gallon.
A. 599.4 B. 16.7 C. 155.8 D. 6
Mathematics
Evaluate.If f(x) = x - 3 and g(x) = x + 3, evaluate (f ? g)(-2).
A. 1 B. -5 C. -11 D. 4
Mathematics
Solve the equation.
- x = 6
A. ? B. {-3} C. {-7} D. {-7, -3}
Mathematics