Is this exponential growth or decay? Explain why.
y= 2(.35)^x
What is decay because b<1
200
What is the inverse of y= 2X+6?
What is x-6
______= y
2
200
(2x^2)(x^7)
What is 2x^9
200
What is Compound Interest formula?
What is A= P(1+ r/n)^nt
300
4√80 + 2√20 - √7 + 7√63
What is 20√5 + 20√7
300
Is this growth or decay? Explain why.
y= 5(1.25)^x
What is growth because b>1
300
What is the inverse of y=4X+ 2?
What is x-2
____=y
4
300
(p^2 q^3)^4
What is p^8 q^12
300
What is the initial value?
A= 200 (1+6/3)^3*4
What is 200.
400
5√12 (4√21)
What is 120√7
400
Joey has 3 pens and it triples everyday.
A) Write an equation for the amount of pens, y, after x days.
B) How many pens will joey have after 10 days?
What is
A)y= 3(3)^x
B)y= 59,049
400
What is the inverse of y=3x-4?
What is x+4
_______=y
3
400
s^3
__________
s^2
What is s^1 or s
400
A bank gives you $3,000. The bank has a semi-annual fee of 5%. How much money will be added into the bank after 4 years? (Round to the nearest hundredth)
What is A=$655.21
500
Simplify √12/√108
What is 1/3
500
A car is priced at $30,000. The value, y, of the car depreciates 5% each year.
A) Find the equation.
B) After 7 years, what will the car be worth?
What is
A) 30,000 (.95)^x
B)$20,950.12
500
What is the inverse of y=10x+16
What is x-16
______=y
10
500
x^4 y^6 X^3 z^4
____________________
x^-5 y^2 z^6
What is x^12 y^4
________
z^2
500
A calculator has a value of $200. Each year the value goes up by 38%. How much will the calculator cost after 10 years?