Suppose that an individual is paid $ 0.01 on day 1 and every day thereafter, the payment is doubled. a. Write a formula for the n th term of a sequence that gives the payment (in $ ) on day n . b. How much will the individual earn on day 10 ? Day 20 ? And day 30 ? c. What is the total amount earned in 30 days?
Suppose that an individual is paid $ 0.01 on day 1 and every day thereafter, the payment is doubled. a. Write a formula for the n th term of a sequence that gives the payment (in $ ) on day n . b. How much will the individual earn on day 10 ? Day 20 ? And day 30 ? c. What is the total amount earned in 30 days?
Solution Summary: The author explains how to calculate the nth term of a geometric sequence.
Explain the key points and reasons for 12.8.2 (1) and 12.8.2 (2)
Q1:
A slider in a machine moves along a fixed straight rod. Its
distance x cm along the rod is given below for various values of the time. Find the
velocity and acceleration of the slider when t = 0.3 seconds.
t(seconds)
x(cm)
0 0.1 0.2 0.3 0.4 0.5 0.6
30.13 31.62 32.87 33.64 33.95 33.81 33.24
Q2:
Using the Runge-Kutta method of fourth order, solve for y atr = 1.2,
From
dy_2xy +et
=
dx x²+xc*
Take h=0.2.
given x = 1, y = 0
Q3:Approximate the solution of the following equation
using finite difference method.
ly -(1-y=
y = x), y(1) = 2 and y(3) = −1
On the interval (1≤x≤3).(taking h=0.5).
Consider the function f(x) = x²-1.
(a) Find the instantaneous rate of change of f(x) at x=1 using the definition of the derivative.
Show all your steps clearly.
(b) Sketch the graph of f(x) around x = 1. Draw the secant line passing through the points on the
graph where x 1 and x->
1+h (for a small positive value of h, illustrate conceptually). Then,
draw the tangent line to the graph at x=1. Explain how the slope of the tangent line relates to the
value you found in part (a).
(c) In a few sentences, explain what the instantaneous rate of change of f(x) at x = 1 represents in
the context of the graph of f(x). How does the rate of change of this function vary at different
points?
A Problem Solving Approach To Mathematics For Elementary School Teachers (13th Edition)
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