Dustin's starting salary is $40,000. his salary is expected to increase by 4% each year. to the nearest dollar, what is dustin's expected salary after 5 years? a) $42,988 b) $43,455 c) $48,666 d) $51,033

4a. is 3 miles every hour

4b. is 1/3 of an hour per mile

step-by-step explanation:

set each factor equal to 0

4x-3 = 0

2x-1 = 0

solve for x.

4x-3=0

4x=3

x= 3/4

solve for x. 

2x-1= 0

2x= 1

x= 1/2

your answer should be 1/2 is less than or equal to x and 3/4 is greater than or equal to x

or

step-by-step explanation:

we need to solve for 'x' the following equation:  

we have that:

⇒

⇒ ⇒

factorizing, we get that:

  ⇒

then, the solutions are: or

nothing extraneous has been found!