Given f x = 2 x 2 − 12 x + 16 , a. Write the equation in vertex form: f x = a x − h 2 + k . b. Determine whether the parabola opens upward or downward. c. Identify the vertex. d. Identify the x -intercepts. e. Identify the y -intercepts. f. Sketch the function. g. Determine the axis of symmetry. h. Determine the minimum or maximum value of the function. i. State the domain and range.
Given f x = 2 x 2 − 12 x + 16 , a. Write the equation in vertex form: f x = a x − h 2 + k . b. Determine whether the parabola opens upward or downward. c. Identify the vertex. d. Identify the x -intercepts. e. Identify the y -intercepts. f. Sketch the function. g. Determine the axis of symmetry. h. Determine the minimum or maximum value of the function. i. State the domain and range.
Solution Summary: The author calculates the vertex form of the given equation f(x) = 2x+2-12x +16 by calculating the square.
3. A spring is stretched 6 in. by a mass that weighs 8 lb. The mass is attached to a dashpot
mechanism that has a damping constant of 0.25 lb-sec./ft. and is acted on by an external
force of 4 cos 2t lb.
a. Set-up the differential equation and initial value problem for the system.
b. Write the function in phase-amplitude form.
C.
Determine the transient solution to the system. Show your work.
d. Determine the steady state of this system. Show your work.
e.
Is the system underdamped, overdamped or critically damped? Explain what this
means for the system.
4. Suppose that you have a circuit with a resistance of 20, inductance of 14 H and a
capacitance of 11 F. An EMF with equation of E(t) = 6 cos 4t supplies a continuous charge
60
to the circuit. Suppose that the q(0)= 8 V and the q'(0)=7. Use this information to answer the
following questions
a. Find the function that models the charge of this circuit.
b. Is the circuit underdamped, overdamped or critically damped?
1. Solve the initial value problem:
y" -11y' + 30y = x³e6x
y(0) 11, y'(0) = 36
=
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, calculus and related others by exploring similar questions and additional content below.
Finding The Focus and Directrix of a Parabola - Conic Sections; Author: The Organic Chemistry Tutor;https://www.youtube.com/watch?v=KYgmOTLbuqE;License: Standard YouTube License, CC-BY