Is f continuous at 3 ?
Yes
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Find 
.sin y = 6x + 7y
A. 
B. 
C. 6 + 7 - cos y
D. 
For the verbal description of a function, write a formula for f.Function f multiplies the input x by 4 and then adds 7 to the result to obtain the output y.
A. f(x) = 4x + 7 B. f(x) = 7x - 4 C. f(x) = 4x - 7 D. f(x) = 7x + 4
Solve the problem.A 100-liter mixture of chlorine and water is 3% chlorine. (i) Write a rational expression in x whose values give the percentage (in decimal form) of the mixture that is chlorine when x gallons of water are added to the mixture. (ii) Find the percentage of chlorine in the mixture if 80 gallons of water are added to it. Round to the nearest percent, if necessary.
A. (i) 
;
(ii) 3%
B. (i) 
;
(ii) 2%
C. (i) 
;
(ii) 129%
D. (i) 
;
(ii) 4%
Insert <, >, or = to make the statement true.-6 _____ -7
A. > B. = C. <