A9C Quiz 1: Write exponential equations

• $g\left(x\right)=6\left(\frac{1}{3}\right)^x$

• $g\left(x\right)=6\left(3\right)^x$

• $g\left(x\right)=6-\left(\frac{1}{3}\right)^x$

• $g\left(x\right)=6-\left(3\right)^x$

Tags

CCSS.HSF.LE.A.2

• $f\left(x\right)=15\left(\frac{5}{6}\right)^x$

• $f\left(x\right)=18\left(\frac{6}{5}\right)^x$

• $f\left(x\right)=15\left(\frac{6}{5}\right)^x$

• $f\left(x\right)=18\left(\frac{5}{6}\right)^x$

Tags

CCSS.HSF.LE.A.2

There are 1,024 players in a tennis tournament. After each round half the players are eliminated. Which function can be used to found the number of players remaining in the tournament at the end of x rounds.

• $f\left(x\right)=1024\left(1.50\right)^x$

• $f\left(x\right)=1024\left(0.50\right)^x$

• $f\left(x\right)=1024\left(1.05\right)^x$

• $f\left(x\right)=1024\left(0.05\right)^x$

Tags

CCSS.HSF.LE.A.2

A particular type of cells doubles in number every hour. Which function can be used to find the number of cells present at the end of h hours if there are initially 4 of these cells?

• $n=4\left(\frac{1}{2}\right)^h$

• $n=4\left(2\right)^h$

• $n=4+\left(2\right)^h$

• $n=4+\left(\frac{1}{2}\right)^h$

Tags

CCSS.HSF.LE.A.2

The amount of fertilizer in a landscaping company's warehouse decreases at a rate of 3% per week. The amount of fertilizer in the warehouse was originally 78,000 cubic yards. Which function models the amount of fertilizer in cubic yards left over after w weeks.

• $f\left(w\right)=0.97\left(78,000\right)^w$

• $f\left(w\right)=1.03\left(78,000\right)^w$

• $f\left(w\right)=78,000\left(.97\right)^w$

• $f\left(w\right)=78,000\left(1.03\right)^w$

Tags

CCSS.HSF.LE.A.2

• $q\left(x\right)=\left(0.25\right)^x$

• $q\left(x\right)=256\left(0.25\right)^x$

• $q\left(x\right)=0.0625\left(4\right)^x$

• $q\left(x\right)=0.5\left(4\right)^x$

Tags

CCSS.HSF.LE.A.2