4 Type the correct answer in each box. Use numerals instead of words.
This graph represents a quadratic function. What is the function's equation written in factored form and in vertex form?
YA
-10
-10
ד תט
10
-10
xix-
Rx) =
Rx) =
(x-
12+
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How far is x from 5 on a number line?

True or false: the graph of y=f(bx) is a horizontal compression of the graph y=f(x) if b< 1

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.