Use a sum or difference identity to find the exact value.
A. -2
B. - 
C. - 
D. - 
Answer: C
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Suppose that the functions f and g and their derivatives with respect to x have the following values at the given values of x. Find the derivative with respect to x of the given combination at the given value of x.
f(g(x)), x = 4
A. -20 B. -24 C. 6 D. 18
Estimate the answer from the table or graph.The number of students at Alder High School who studied foreign languages in different years is shown in the bar graph. What is the total number of students who studied a foreign language in 2012? (Assume no student studied two foreign languages).
2006200820102012Year
A. 90 students B. 150 students C. 130 students D. 170 students
Multiply.
A. 2184 B. 2194 C. 2284 D. 2174
Use a graphing utility to graph the parametric equation.x = t2 + 2, y = 2t - 1, -3 ? t ? 3
A. 
B. 
C. 
D. 