Find the simplified form for f(x) and list all restrictions on the domain.f(x) = 5 + 
- 
A. f(x) = 
, x ? -6, 6
B. f(x) = 
, x ? 6
C. f(x) = 
, x ? -6
D. f(x) = 
, x ? -6, 6
Answer: D
Mathematics
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For the given rectangular equation, write an equivalent polar equation.x - 10y = 0
A. tan ? = 10
B. tan ? = 
C. r = 10 tan ?
D. r = 
tan ?
Mathematics
Solve.
= 
- 
A. 0, -8 B. 0, -8, 8 C. 0, 8 D. 0
Mathematics
Solve the problem.The stretch in a loaded spring varies with the load it supports. If the spring stretches 10.1 cm for every pound of load added, find the distance in centimeters that the spring has stretched when 9 pounds are added.
A. 19.1 cm B. 1.1 cm C. 90.9 cm D. 9 cm
Mathematics
Factor completely. If the polynomial cannot be factored, write "prime."x4 - s4
A. (x + s)2(x - s)2 B. (x2 + s2)(x - s)(x + s) C. (x2 + s2)(x - s)(x - s) D. (x2 + s2)(x2 - s2)
Mathematics