For the given functions f and g, find the requested composite function.f(x) = 
, g(x) = 7x + 2;
Find the function g ? f.
A. 7x + 12
B. x
C. x - 
D. x + 4
Answer: B
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Add or subtract. Then simplify. If a denominator has two or more factors (other than monomials), leave it in factored form. Express the answer using the denominator of the first fraction when applicable.
- 
A. 
B. 
C. 6
D. 
Solve the problem.Find the point on the line of intersection of the planes 
and 
that is closest to the origin.
A. 
B. 
C. 
D. 
Write the Hindu-Arabic numeral in expanded form.710,002,002
A. (7 × 108) + (1 × 107) + ( 0 × 106) + ( 0 × 105) + ( 0 × 104) + (2 × 103) + ( 0 × 102) + ( 0 × 101) B. (7 × 108) + (1 × 107) + ( 0 × 106) + ( 0 × 105) + ( 0 × 104) + ( 0 × 102) + ( 0 × 101) + (2 × 1 ) C. (7 × 108) + (1 × 107) + ( 0 × 106) + ( 0 × 105) + ( 0 × 104) + (2 × 103) + ( 0 × 102) + ( 0 × 101) + (2 × 1 ) D. (7 × 108) + ( 0 × 106) + ( 0 × 105) + ( 0 × 104) + (2 × 103) + ( 0 × 102) + ( 0 × 101) + (2 × 1 )
Convert the temperature. Give your answer to the nearest tenth of a degree.17°C = °F
A. 41.4°F B. 18.8°F C. 62.6°F D. 88.2°F