An expression is shown below:

f(x) = -16x2 + 22x + 3

Part A: What are the x-intercepts of the graph of the f(x)? Show your work.

Part B: Is the vertex of the graph of f(x) going to be a maximum or minimum? What are the coordinates of the vertex? Justify your answers and show your work.

Part C: What are the steps you would use to graph f(x)? Justify that you can use the answers obtained in Part A and Part B to draw the graph.

Question

An expression is shown below:

f(x) = -16x2 + 22x + 3

Part A: What are the x-intercepts of the graph of the f(x)? Show your work.

Part B: Is the vertex of the graph of f(x) going to be a maximum or minimum? What are the coordinates of the vertex? Justify your answers and show your work.

Part C: What are the steps you would use to graph f(x)? Justify that you can use the answers obtained in Part A and Part B to draw the graph.

anonymous · Answer

PART A.

set the function equal zero, and solve for x.

 -16x² + 22x + 3 = 0
 16x² - 22x - 3 = 0
 (8x + 1)(2x - 3)= 0

 8x + 1= 0
8x=1
x= 1/8

2x - 3 =0
2x=3
x= 3/2

anonymous · Answer

I am too lazy/stupid (which ever one you pick)    to do the rest

anonymous · Answer

You don't have to do the rest. lol Thanks for your help. (:

anonymous · Answer

You welcome :) Good luck !