Solve.The monthly cost of a certain long distance service is given by the linear function 
where C(t) is in dollars and t is the amount of minutes used in a month. Find and interpret C(190).
A. 15.45; it costs $15.45 to use 190 minutes of a certain long distance service in a month.
B. 9.50; it costs $9.50 to use 190 minutes of a certain long distance service in a month.
C. 16.45; it costs $16.45 to use 190 minutes of a certain long distance service in a month.
D. 25.95; it costs $25.95 to use 190 minutes of a certain long distance service in a month.
Answer: C
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Find the area of the shaded region.y = 2x2 + x - 6y = x2 - 4
A. 
B. 
C. 
D. 
Find the opposite, or additive inverse.19.7
A. -19.7
B. 
C. 19.7
D. 0
Convert the number to scientific notation.895.514
A. 8.95514 × 103 B. 8.95514 × 10-2 C. 8.95514 × 10-3 D. 8.95514 × 102
Divide. Leave your answer in exponent form. Assume that all variables in any denominator are nonzero.
A. 
B. 
C. 102
D. -102