Interest Applications
What does Interest mean?
Money paid at a particular rate.
What does Parent Function mean?
The simplest form of a function; for an exponential function, the parent growth function is f(x) =2^x and the parent decay function is f(x)=1/2^x
Is the sequence geometric or not? {2, 4, 6...}
No it's not.
What does exponent mean?
A number telling how many times to multiply a number by itself.
Solve the following problem by factoring. x^2-10x-24=0
x=-2, x=12
What is the simple interest formula?
A= P(1+rt)
What does transformation mean?
Moving or changing the parent function,
What is the common ratio in this sequence? {3, 12, 48, 192}
4
What does base mean?
The number being multiplied by itself.
solve using the quadratic formula 4x^2 + 2x-7=0.
3 or 4
A student loan has a 3% interest rate. If you borrowed 5,000$ for 9 years, how much would you pay?
A = 6,350$
Write the transformations for the problem. f(x)=6 x 2^x -3
Down 3 and vertical stretch of 6.
Write a explicit rule for the nth term of the sequence: {5, 25, 125...} then find a12
a12 = 5 x 5^12-1
a12=244,140,625
What is the answer to the problem y^2 x y^4?
y^6
Solve by taking square roots 1/2(x+3)^2=15
5+ or - the square root of 13/6
What is the formula for compound interest?
A = P( 1+ r/n)^nt
Write the transformations for the problem. f(x) = 1/2(5)^x
shrink by 1/2
What does sequence mean?
A list of numbers in a particular order.
What is the answer to the problem x^6/ x^4?
Where does the quadratic function cross the x-axis? 3x^2 +x+9=0
No real solutions.
Julio invested 4,000$ with an interest rate of 3.1% compounded weekly. How much will his investment be worth in 8 years?
A = 5,125.46
Write the transformations for the problem. f(x)=5(2)^x-1+9
Stretch by 5, up 9, and right 1.
what does geometric sequence mean?
A sequence created by multiplying the previous term by a constant.
What is the answer to the problem 4y^8/ 12x^-2y^3?
x^2y^5/3
Solve the following problem by factoring 2x^2 +6x-5x-15=0.
(x+6)(x-5)