For the given functions f(x) and g(x), find (f ? g)(x) or 
(x) as indicated.f(x) = x2 + 2x - 15, g(x) = x + 5Find 
(x).
A. x2 + 3x - 10
B. x2 - 3
C. x - 3
D. x + 3
Answer: C
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Use the method of writing each premise in symbols in order to write a conclusion that yields a valid argument.Students who watch television while doing homework jeopardize their grades. Students with grades in jeopardy get grounded. Being grounded includes being barred from watching television.
A. Students who are grounded watch TV while doing homework. B. Students who watch TV will be grounded. C. Students who watch TV will be barred from watching TV. D. Students who watch TV while doing homework will not be allowed to watch TV.
Solve the problem.As the temperature of a light bulb's filament changes from T1 to T2, the energy that the filament radiates changes by the quantity 
Multiply to find this change.
A. a
- a 
B. a
C. a
+ a 
D. a 
Solve the problem. Give the answer to the nearest thousandth if necessary.A long-distance runner runs 3 miles south and then 7 miles east. How far is the runner from the starting point?
A. 8.616 mi B. 7.616 mi C. 4.472 mi D. 10 mi
Complete the identity.tan x ? cot x = ?
A. sin x B. -1 C. 0 D. 1