Find the slope of a line tangent to the given curve at the given point.y = 
; x = 2.45 (Round the nearest hundredth.)
A. -0.24
B. 0.75
C. 0.44
D. 0.30
Answer: B
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Find f ? g.f(x) = x2 - x - 5, g(x) = x - 1
A. x3 - 2x2 - 6x - 5 B. x3 - 4x + 5 C. x3 - 2x2 - 4x + 5 D. x3 - 2x2 - 5x + 5
Solve the problem.In a certain location, the highest temperature recorded was 101°F. The lowest temperature recorded was 140 degrees less than the highest. What was the lowest temperature?
A. 0°F B. -39°F C. -138°F D. 39°F
Solve the problem.A rotating beacon is located a distance d from a long wall. The distance d is given byd = 4 tan 2?t,where t is the time measured in seconds since the beacon started rotating. Solve the equation for t.
A. t = 
tan 
B. t = 2? arctan 
C. t = 
arctan 
D. t = 2? tan 
Use synthetic division to divide the first polynomial by the second.x4 - 3x3 + x2 + 5x - 8
x - 1
A. x3 + 2x2 - x + 6 - 
B. x3 - 2x2 + x + 6 + 
C. x3 - 2x2 + x + 4 + 
D. x3 - 2x2 - x + 4 - 