Use a half-number identity to find an exact value for the function, given the information about x.tan 
, given tan x = -3, with 
< x < ?
A. 
B. 
C. 
D. 
Answer: B
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Solve the problem.Samuel consumed 2109 calories of food on Monday, 2352 calories on Tuesday, and 1824 calories on Wednesday. In order for Samuel's average calorie intake to equal a daily average of 2200 calories, how many calories of food must he consume on Thursday?
A. 2121 calories B. 2095 calories C. 2576 calories D. 2515 calories
Answer the question or complete the sentence to make a true statement.The sum of two positive numbers will always be a number.
A. Positive B. Negative
Find the product. Assume variables represent positive real numbers.y3/13(y5/13 - 3y2/13)
A. y-2/13 - 3y1/13 B. y8/13 - 3y5/13 C. y3/5 - 3y3/2 D. y15/169 - 3y6/169
Express the interval in set-builder notation and graph the interval on a number line.(-?, 4.5]
A. {
x > 4.5}
B. {
x ? 4.5}
C. {
x < 4.5}
D. {
x ? 4.5}