Find the exact value of the expression using a sum or difference identity.cos (
)
A. - 
(
- 1)
B. 
C. - 
D. 
(
+ 1)
Answer: C
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Provide an appropriate response.A baseball is hit when it is 2.8 feet above the ground. It leaves the bat with an initial speed of 150 ft/sec, making an angle of 18° with the horizontal. Assuming a drag coefficient 
how high does the ball go, and when does it reach maximum height? For projectiles with linear drag: x = x0 + 
(1 - e-kt) cos ?, y = y0 + 
(1 - e-kt) sin ? + 
style="vertical-align: -21.0px;" />(1 - kt - e-kt)where k is the drag coefficient, v0 and ? are the projectile's initial speed and launch angle, and g is the acceleration of gravity (32 ft/sec2). A. Maximum height = 3.09 feet; time to maximum height = 0.04 sec B. Maximum height = -0.19 feet; time to maximum height = -0.22 sec C. Maximum height = 3.11 feet; time to maximum height = 0.01 sec D. Maximum height = 8.31 feet; time to maximum height = 0.73 sec
A furniture store offers free setup and delivery services to all points within a 23-mi radius of its warehouse distribution center. If you live 19 mi east and 14 mi south of the warehouse, will you incur a delivery charge? ?
A. No B. Yes
Find the requested function value.f(x) = 
, g(x) = 2x + 6Find (g ? f)(-24).
A. -2
B. -32
C. 168
D. - 
The graph of a function f is given. Use the graph to answer the question.For what values of x is f(x) < 0?
A. (-15, ?) B. (-15, 17.5) C. (-?, -15) D. [-25, -15), (17.5, 25)