Use a half-number identity to find an exact value for the function, given the information about x.cos 
, given sec x = 4, with 0 < x < 
A. 
B. 
C. 
D. 
Answer: B
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Find f[g(x)] and g[f(x)].f(x) = 2x + 11; g(x) = 11x + 2
A. f[g(x)] = 22x + 123 g[f(x)] = 22x + 15 B. f[g(x)] = 22x + 15 g[f(x)] = 22x + 123 C. f[g(x)] = 22x + 15 g[f(x)] = 22x + 15 D. f[g(x)] = 22x + 123 g[f(x)] = 22x + 123
Solve the problem.If an object is dropped from a tower, then the velocity, V (in feet per second), of the object after t seconds can be obtained by multiplying t by 32 and adding 10 to the result. Find an equation relating the velocity, V, to the number of seconds, t. Use this equation to find the velocity of the object at time 
A. 268.5 ft/sec B. 269.2 ft/sec C. 267.2 ft/sec D. 270.5 ft/sec
Convert to trigonometric notation and perform the indicated operation.
A. -
B. -
i
C. -
+ 
i
D. 
The capitalized cost c of an asset is computed by the formula c = c0 + 
,where c0 is the initial cost of the asset, L is the lifetime (in years), r is the interest rate (compounded continuously), and m(t) is the annual cost of maintenance. Find the capitalized cost under the given assumptions.c0 = $700,000, r = 4%, m(t) = 25,000 + 100t, L = 10
A. $915,921 B. $909,897 C. $906,874 D. $898,625