2 years ago

Can someone please explain how to get this answer? Recursive formula help!t(1)=3 (in picture)

1 answer:

3 0

T(1) = 3, t(n) = -2t(n-1) + 1
So t(2) = -2(t(1)) + 1 = -2(3) + 1 = -5
t(3) = -2(t(2)) +1 = -2(-5) +1 = 11
t(4) = -2(t(3)) +1 = -2(11) +1 = -21
t(5) = -2(t(4)) +1 = -2(-21) +1 = 43

You might be interested in

Sketch the quadratic function ƒ(x) with a vertex at (–1, 2) and the points (0, 0) and (–2, 0). Which statement describes the par

Andrei [34K]

Answer:

Use this Formula m= y2 - y1 / x2-x2

Than find rise and run and graph it

Step-by-step explanation:

7 0

2 years ago

Read 2 more answers

Someone help me with this question please.

grandymaker [24]

It’s 27 because u multiple the first 2 number and it’s a negative then add the rest to it

5 0

3 years ago

Solve for x.<br><br> −1/5 (x − 4) = −2

denpristay [2]

X=14. Hope this helped!

4 0

2 years ago

Read 2 more answers

If x-1/x=5 find x^3+1/x^3=?

ipn [44]

$\dfrac{x-1}{x}=5\ \ \ \ /x\neq0\\\\\dfrac{x-1}{x}=\dfrac{5}{1}\ \ \ \ |\text{cross multiply}\\\\5x=x-1\ \ \ \ |-x\\\\5x=1\ \ \ \ |:5\\\\x=0.2\\\\\dfrac{x^3+1}{x^3}=\dfrac{x^3}{x^3}+\dfrac{1}{x^3}=1+\dfrac{1}{x^3}\to1+\dfrac{1}{0.2^3}=1+\dfrac{1}{0.008}\\\\=1+\dfrac{1}{\frac{8}{1,000}}=1+\dfrac{1,000}{8}=1+125=126\\\\\text{Answer:}\ \dfrac{x^3+1}{x^3}=126$

5 0

3 years ago

Read 2 more answers

What is 89.99 divided by 30%

kirill115 [55]

Answer:

if you are dividing 299.96 If you are multiplying 26.99

Step-by-step explanation:

If you are dividing: Factor the numerator and denominator and cancel the common factors.

If you are multiplying: Simplify the expression.

6 0

2 years ago

Read 2 more answers