Apainting is purchased for $250. if the value of the painting doubles every 5 years, then its value is given by the function v(t) = 250 • 2t/5, where t is the number of years since it was purchased and v(t) is its value (in dollars) at that time. what is the value of the painting ten years after its purchase? $1,000 $1,400 $1,800 $2,000

Option A is correct.

the value of the painting ten years after its purchase is, $1,000

Step-by-step explanation:

Given the function:

             .....[1]

where,

t is the number of years since it was purchased and

v(t) is its value(in dollars) at that time.

We have to find the value of the painting ten years after its purchase.

⇒ t = 10 years

Substitute in [1] we have;

⇒

⇒

Simplify:

Therefore,  the value of the painting ten years after its purchase is, $1,000

36 girls

step-by-step explanation:

the 48 boys is 4 parts of the ratio

divide 48 by 4 to obtain one part of the ratio

= 12 ← 1 part of the ratio

3 parts = 3 × 12 = 36 ← number of girls

  or  

step-by-step explanation:

if the four friends split the cost, p, of the pizza evenly, then each friend pays one-fourth of the cost of the pizza.

the expression is   or