Use an inequality symbol to write the given statement symbolically.-x is positive
A. -x ? 0
B. -x > 0
C. -x ? 0
D. -x < 0
Answer: B
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Use the definition to find an expression for the instantaneous acceleration of an object moving with rectilinear motion according to the given function. The instantaneous acceleration is defined as the instantaneous rate of change of the velocity with respect to time. s = 4t2 + 5t - 2[s is the displacement. Find v, then find a]
A. 4 B. 8t + 5 C. 8 D. 0
Write the polynomial in descending order.8c - 1 + 4c2
A. 8c + 4c2 - 1 B. 4c2 + 8c - 1 C. -1 + 4c2 + 8c D. -1 + 8c + 4c2
Find the exact value under the given conditions.sin ? = 
, 0 < ? < 
; cos ? = 
, 0 < ? < 
Find cos (? + ?).
A. 
B. 
C. 
D. 
Fill in the blank with one of the words or phrases listed below. Not all choices will be used.
A rational expression is undefined when the 
is 0.
A. complex fraction B. numerator C. rational expression D. denominator