Posted by Erin on Friday, September 25, 2009 at 12:48am.
Given f(x) = x ^ 3  x ^ 2 4x +4
Find the zeros of f.
Write an equation of the line tangent to the graph of f at x = 1
The point (a,b) is on the graph of f and the line tangent to the graph at (a,b) passes through the point (0,8) which is not of the graph of f. Find a and b
Please help. missing three classes in a row kills

Math calculus  jazmine, Friday, September 25, 2009 at 1:37am
this is my question linda goes to the grocery store every six days,jesus goes to the gorcery store every nine days. they both went to the grocery store today. in how many days will they both be at the grocery store again in the same day i cant solve it could you help me/give me the answer.please

Math calculus  Reiny, Friday, September 25, 2009 at 8:51am
your function factors by grouping
f(x) = x ^ 3  x ^ 2 4x +4
= x^2(x1)  4(x1)
= (x1)(x^2  1)
= (x1)(x + 2)(x  2)
so the function has zeros at x = 1,2, 2
f '(x) = 3x^2  2x  4
f '(1) = 3+24 = 1 , which is the slope
f(1) = 3(1)  (1)^2  4(1) + 4
= 3  1 + 4 + 4 = 4
so the point is (1,4) and the slope is 1
can you take it from here?

for jazmine  Reiny, Friday, September 25, 2009 at 8:55am
Please do not post a new question as a reply to somebody else's question.
re yours ...
Linda goes on day 6, day 12, day 18, day 24 , ....
Jesus goes on day 9, day 18, day 27, ...
mmmmhhhh ?
Answer This Question
Related Questions
 Calculus  1. Given the function f defined by f(x) = x^3x^24X+4 a. Find the ...
 calculus  5. Let f be the function given by f(x) = x3 7x + 6. a. Find the ...
 Calculus AB  Could someone please help me with these tangent line problems? 1) ...
 calculous  3.Given the function f defined by f(x)=2x^33x^212x+20 a.Find the ...
 Calculus  Given the function defined as f(x)=x^3(3/2)x^26x+10 a) Explain why ...
 Calculus  Given the function defined as f(x)=x^3(3/2)x^26x+10 a) Explain why ...
 MathCalculus  Let y = f(x) be the continuous function that satisfies the ...
 College Calculus  Let f(x) = 3x^2  2x + 1 a) write an equation of the line ...
 Calculus AB  Sorry but I've got a lot of problems that I don't understand. 1) ...
 AP Calculus  Suppose that f has a continuous second derivative for all x, and ...
More Related Questions