If the function is one-to-one, find its inverse. If not, write "not one-to-one."f(x) = 7x - 4
A. f-1(x) = 
B. f-1(x) = 
+ 4
C. f-1(x) = 
D. not a one-to-one
Answer: A
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Solve the problem.Some people must eat a low-sodium diet with no more than 2,000 mg of sodium per day. By eating 1 cracker, 1 pretzel, and 1 cookie, a person would ingest 149 mg of sodium. If a person ate 8 pretzels and 8 cookies, he or she would ingest 936 mg of sodium. By eating 6 crackers and 7 pretzels, the person would take in 535 mg of sodium. Find the amount of sodium in each.Which of the following is true?
A. A cracker has 30 mg of sodium. B. A cookie has 71 mg of sodium. C. A pretzel has 49 mg of sodium. D. None of these
Determine the absolute value of the complex number.z = 6i
A. 12 B. 6 C. -6 D. 0
Estimate a sum by rounding each addend to the specified place. Estimate a difference by rounding the minuend and subtrahend to the specified place value.0.06 + 1.78 + 0.23 to the nearest tenth
A. 2.3 B. 2.4 C. 1.9 D. 2.1
Evaluate the improper integral whenever it is convergent. If it is divergent, state this. 
dxEnter your answer as an integer or the word "divergent".
Fill in the blank(s) with the appropriate word(s).