Determine whether the given function is one-to-one. If it is one-to-one, find its inverse.f(x) = 8x - 4
A. f-1(x) = 
B. Not one-to-one
C. f-1(x) = 
+ 4
D. f-1(x) = 
Answer: A
Mathematics
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Decide whether the equation is an identity, a conditional equation, or a contradiction. Give the solution set.5(2x - 31) = 10x - 155
A. Conditional; {0} B. Identity; {all real numbers} C. Identity; ? D. Contradiction; ?
Mathematics
Express as a product.log y31
A. log y ? log 31 B. y log 31 C. log y ? log y D. 31 log y
Mathematics
Solve the equation. Express radicals in simplest form.
+ x + 
= 0
A. {5 + 
}
B. {-10 + 
}
C. {5 ± 
}
D. {-5 ± 
}
Mathematics
Use the graph to find a ? > 0 such that for all x, 0 < 
< ? ? 
< ?.
A. ? = 0.4 B. ? = 0.2 C. ? = 3 D. ? = 0.1
Mathematics