Find the x intercept of f(x) = (7x + 7)/(x^2+5)
1 answer:
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A) We know that
where d
= distance,
v = velocity,
t = time
In this case, d = 2 mi., t = 30 min. So we get
Dividing both sides by 30, we get
Thus a function for his walk would be
where y = distance and x = number of minutes he walks.
b) Domain of a function is a set of x-values on which the function defined. In this case, the number of minutes is 30 at maximum. So the domain of the function is [0, 30].
where d
v = velocity,
t = time
In this case, d = 2 mi., t = 30 min. So we get
Dividing both sides by 30, we get
Thus a function for his walk would be
where y = distance and x = number of minutes he walks.
b) Domain of a function is a set of x-values on which the function defined. In this case, the number of minutes is 30 at maximum. So the domain of the function is [0, 30].
Answer:
<h2>Principal is $6441.22 </h2>Step-by-step explanation:
let us assume the investment is compounded over the given period
Given data
Final amount A= $20,000
Rate r= 12%= 0.12
Time t= 10 years
principal=?
The compound interest formula is
Substituting our given data we have
Dividing both side by 3.105 to find P
Principal is $6441.22