Does this graph show that temperature is a function of time ,or time is a function of temperature?

Need ! give step by step solutions on how to solve number one [tex]\frac{9-2\sqrt{3} }{12+\sqrt{3} }[/tex] number two [tex]x+4=\sqrt{13x-20}[/tex] number three (domain and range) [tex]f(x)=2\sqrt[3]{x} +1[/tex]

Closing a credit card usually _your debt ratio.a. increasesb. decreasesc. improvesd. has no effect on

You paid 28.00 for 8 gallons of gasoline. how much would you pay for 15 gallons of gasoline?