Which sequence matches the recursive formula?

an = (an-1)2 + 3, where a1 = 2

a)
2, 4, 16, 256,

b)
2, 7, 17, 37,

c)
2, 7, 52, 2707,

d)
2, 25, 784, 6159,

Use the x-intercept method to find all real solutions of the equation.x^3-10x^2+27x-18=0

What number should be added to both sides of the equation to complete this square? x^2-10x=7

Ariana starts with 100 milligrams of a radioactive substance. the amount of the substance decreases by 20% each week for a number of weeks, w. the expression 100(1−0.2)w finds the amount of radioactive substance remaining after w weeks. which statement about this expression is true? a) it is the difference between the initial amount and the percent decrease. b) it is the difference between the initial amount and the decay factor after w weeks. c) it is the initial amount raised to the decay factor after w weeks. d) it is the product of the initial amount and the decay factor after w weeks.