09/27/18

Functions f(x)

determine the choice value for f(-2) that will make the function f(x) continuus at x=-2 for the domain (-infinity to -2) U( -2 to infinity)    original function was f(x)= x^2-4/x+2

solve Ln(e^(3x-9)+1+10 for x

Not sure how to do this question

How to I rewrite the inequality 4.006 < x +5 < 5.000 as an absolute value inequality?

And how do I do the same thing to 6<= x <= 16? <= is less than or equal to. 

09/26/18

If a square + 9b square = 13 and ab= 2, then find a+3b

 None

09/26/18

which of the following is a equation

A) 3+1+4+0 B)x2-2x+8 C)2(4x+1) D)1+3=6

09/26/18

The equation x^2-2x-k=0, where k is a constant, has one distinct real root.

Find the value of K. Show all the steps. 

09/26/18

calculus question

If f (t)=t2 + 4t + 3, find [ f(t + h) -f (t)]/h.

Find the values of a and b so that f(x) is continuous everywhere

Question: Find the values of a and b so that f(x) is continuous everywhere  - Just to be clear, f(x) is a piecewise function   f(x) = 3x-4, x > 4           a + √x, 0 < x ≤ 4          ... more

would "lx-4lLess than 3" be written as an "and" or "Or"

if so why? I really need help.

the length of a hypotenuse of a 30 60 90 triangle is 4, find the longer leg

don't know I just need help please I don't understand it at all

09/25/18

using matrix algebra: 2x + y - z = 11 x - 2y + 2z = -2 3x - y + 3z = 5

 using matrix algebra:2x + y - z = 11x - 2y + 2z = -2 3x - y + 3z = 5

09/25/18

If the coefficient of x in (kx+2/k)^2 - (3x + 1/k)^3 is 0 then find the value(s) of k

If the coefficient of x in (kx+2/k)^2 - (3x + 1/k)^3 is 0 then find the value(s) of k

Need Inverse of Function Help!!!!!

Let f(x)=2x+5/10x+1. Find f−1(x).

find the inverse of f(x)=(6x)/(x+1)

i dont know how to get rid of the second y

09/24/18

Describe the transformations applied to the base parent function y=x^3 to obtain the function y=-1/3(x+2)^3-1, and then graph the function

I'm very stuck on this question and I'm not sure how to graph this function.

What is the converse of the statement, “If a strawberry is red, then it is ripe”?

Please answer the question.  

How do I solve lim x→π/2 (√sinx - 1)/(x-π/2)?

How do I solve lim x→π/2 (√sinx - 1)/(x-π/2)?

09/23/18

Find f(a), f(a + h), and the difference quotient f(a + h) − f(a) /h , where h ≠ 0. f(x) = 4x2 + 7

f(a + h) − f(a)/h   I just need the answer to finding out what it will be when plugging in these numbers

09/23/18

Find f(a), f(a + h), and the difference quotient f(a + h) − f(a) / h , where h ≠ 0. f(x) = 6

f(a) = Incorrect: Your answer is incorrect.f(a + h) = Incorrect: Your answer is incorrect.f(a + h) − f(a)h=   I need help determining what the answer will be when plugging these numbers in.

09/23/18

find pattern of range

x: 2,4,6,8,10 f(x): 4,9,14,19,24

if f(x) =-8x+6/5x-1, find f^-1(x)

i'm not sure how to do inverse function questions 

09/22/18

If x=(7x-1)^(1/2),Find the Integral Value of x^2+(1/x^2)

If x=√(7x-1),Find the Integral value ofx2+(1/x2)

If r is false and s is false, what is the truth value of s∧(r∧s)?

If r is false and s is false, what is the truth value of s∧(r∧s)?

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