Provide an appropriate response.Evaluate 
= by first converting it to a derivative at a particular x-value.
A. 21
B. 19
C. 20
D. 
Answer: C
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Which of Euclid's postulates motivated the formation of alternative geometric systems?
a. The proportionality postulate b. The parallel postulate c. The congruence postulate d. The normative postulate
Solve the problem.Sarah has grades of 66 and 78 on his first two tests. If she wants an average of at least 70 after her third test, what score must she make on that test?
A. 72 or more B. 71 or more C. 70 or more D. 66 or more
Let x represent one number and let y represent the other number. Use the given conditions to write a system of nonlinear equations. Solve the system and find the numbers.The difference between the squares of two numbers is 112. Twice the square of the second number subtracted from the square of the first number is 
. Find the numbers.
A. 11 and 3, -11 and 3, or 11 and -3 B. 11 and 3 C. 11 and 3, -11 and 3, 11 and -3, or -11 and -3 D. 11 and 3 or -11 and -3
Use the graph of the rational function f(x) to complete the statement.As x?-2-, f(x)? 
. 
A. -? B. 0 C. +? D. 2