Give the domain and range of the relation.
A. domain: (-?, ?); range: {-2}
B. domain: (-?, ?); range: (-?, ?)
C. domain: {-2}; range: (-?, ?)
D. domain: (-?, ?); range: (-?, -2) ? (-2, ?)
Answer: A
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Find the average velocity of an object which follows the position function s(t) over the given interval.s(t) = 
, [2, 8]
A. 2
B. 7
C. - 
D. 
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.
, x = 3
A. 
B. 
C. 
D. - 
Determine if each of the following is true or false. If true, explain why.
(a) ?4 + ?9 + ?13 = 180°
(b) ?5 = ?8 + ?10
(c) ?4 = ?1 + ?14
(d) ?2 + ?3 + ?4 + ?11 + ?12 + ?15 = 360°
Simplify.16 - (-8) + 7
A. 31 B. 15 C. -1 D. 1