Translate the given equation into an English sentence. Then solve the equation.3(x - 6) = 15
A. Three times a number, minus 6, is 15 ; - 7
B. Three times the difference of a number and 6 is 15 ; 9
C. Three times the difference of a number and 6 is 15 ; 11
D. Three times a number, minus 6, is 15 ; 7
Answer: C
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The function f is one-to-one. Find its inverse.f(x) = (x + 6)3
A. f-1(x) = 
- 6
B. f-1(x) = 
+ 6
C. f-1(x) = 
- 216
D. f-1(x) = 
- 6
Divide the polynomials using polynomial long division.
A. -3x - 1 B. -2x + 12 C. 3x + 1 D. -3x + 1
Solve the problem.If the first and third of three consecutive odd integers are added, the result is 51 less than five times the second integer. Find the third integer.
A. 17 B. 34 C. 15 D. 19
Solve the problem.Sound levels in decibels can be computed by f(x) = 10log(x/So), where x is the intensity of the sound in watts per square meter and So = 1.00 x 10-12 watt/m2. A certain noise produces 3.95 x 10-4 watt/m2 of power. What is the decibel level of this noise? (Round to the nearest decibel)
A. 198 decibels B. 86 decibels C. 76 decibels D. 9 decibels