30 points will give brainliest if correct Please Answer an industrial copy machine
2 answers:
Answer:
f(x) = 16 * ( 3/4) ^x
Step-by-step explanation:
y = a ( b) ^x
where a is the initial value and b is the growth rate
We know when x =0 y = 16
and when x = 1 y = 12
16 = a * b^0
16 = a * 1
a = 16
So the initial value is 16
12 = 16 * b^ 1
Divide each side by 16
12/16 = b^1
3/4 = b
y = 16 * ( 3/4) ^x
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In the statement are given 2 moments:
X = 0 ⇒ F(0) = 16
and
X = 1 ⇒ F(1) = 12
F(X) = a . bˣ
F(0) = a . b⁰
16 = a . 1
a = 16
F(X) = a . bˣ
F(1) = a . b¹ <em>a=16 calculated above</em>
12 = 16 . b
b = 12/16
b = 3/4 = 0,75
so,
<h3>F(X) = 16 . (3/4)ˣ</h3>
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