The expression 900x2.25^t gives the price performance, in bits per second per dollar, of wireless devices from a certain company as a function of years since the company began.

1. 22

2. 1

3. 7

4. 18

step-by-step explanation

e2020 got it right

14.29%

step-by-step explanation:

answer: solve 5\cdot 2^x=2405⋅2  

x

=2405, dot, 2, start superscript, x, end superscript, equals, 240.

solution

to solve for xxx, we must first isolate the exponential part. to do this, divide both sides by 555 as shown below. we do not multiply the 555 and the 222 as this goes against the order of operations!

\begin{aligned} 5\cdot 2^x& =240 2^x& =48 \\ \end{aligned}  

5⋅2  

x

2  

x

​    

=240

=48

​

step-by-step explanation: