Decide whether or not the functions are inverses of each other.f(x) = 7x - 7, g(x) = 
x + 1
A. No
B. Yes
Answer: B
Mathematics
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Solve the equation.x(x - 7)(x + 4) = 0
A. 0, 7, -4 B. -7, 4 C. 0, -7, 4 D. 7, -4
Mathematics
Solve the problem.The level of a sound in decibels (db) is determined by the formula N = 10 ? log(I × 1012) db, where I is the intensity of the sound in watts per square meter. A certain noise has an intensity of 
per square meter. What is the sound level of this noise? (Round your answer to the nearest decibel.)
A. 89 db B. 9 db C. 79 db D. 206 db
Mathematics
Find an for the given geometric sequence.4, - 
, 
, - 
, 
, . . .
A. an = 4
n - 1
B. an = 4
n - 1
C. an = 4
n
D. an = 4
n - 1
Mathematics
Round the whole number to the given place value.9997, tens
A. 9990 B. 10,000 C. 10,090 D. 100,000
Mathematics