Ivanna wants to save $600 to buy a tv. She saves $19 each week. The amount A (in dollars), that she still needs after w weeks is given the following function. A(w)=600-19w

If Ivanna still needs $239, how many weeks has she been saving?

stops on an even number.

step-by-step explanation:

given expression is .

now we need to simplify the given expression .

we know that square root is equivalent to the power 1/2. so that means we can take half of the exponents to get the square root of given expression.

expanding that will give a very very large number so let's keep answer in exponent form.

my dear correct answer is option number 3