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Help me with easy calculus problem

this should be easy but it hasnt really hit me... why if f(x)= ax+b does f(x+h) = a(x+h)+b-When you say f(x) what you are really saying is function of something. The x in f(x) can be ANYTHING. For e

Differentiation of composite function really need help

Find the dy/dx for y=x^2(x+2)^4 First I want to show you my calculation : Let u = x^2, so du/dx = 2x Let v = (x+2)^4, so dv/dx = 4(x+2)^3 dy/dx = x^2 [4(x+2)^3] + (x+2)^4 (2x) = 4x^2 (x+2)^3 +

If ABCD = I express B^(-1) in terms of A,C, and D (Linear algebra. Attempt inside)

Im looking for help to this problem. Here is my attempt: I being the identity matrix A (B B^(-1)) C D = B^(-1) I so A I C D = B^(-1) so A C D = B^(-1) Am I wrong? If so could you please point out w

Trigonometry problem help please!

Fine the measure, to the nearest DEGREE, of the acute central angle created by an arc length of 24 and a radius of 39.-1. s = rθ (arc length = radius * radians) 24 = 39θ θ = 24/39 or 0.615 radians 2.

Help with exponential growth and decay

a) FOR $10,000 a retired couple bought a treasury note that paid 4 percent annual interest compunded monthly. they redeemed the note after 21 months. Find the total amount of money they earned on thei

Simple system of equation

Bob has $84 consisting of $1 and $5 bills. He has 6 more $1 bills than he does $5 bills. How many $1 bills does he have? Im having trouble working this problem out...can you please show the steps? T

How to find an equation fo the tangent line and normal line to the graph of the equation at the point

Function: y=(x+3)^3 Point: (-2, 1) I am so confused on what to do-Differentiating the function will give you the gradient at the point. To make life easier for me Im going to expand the function: (

Maths question problem solving help

John asked Mirriam to tell him her age. She replied, If you divide my age by 3, you wil get the same answer as when you divide 75 by my age. How old is Sarah? I think the answer is 12, but im not sur

HELP MEH SOLVE TEH PROBLEMO!? math 10 points

OMG OMG I HAVE EXAM TOMMAROW..I NEED TO SOLVE DIS PROBLEM 1 + 1 = ???-To answer this HARD problem, we must understand the Peano Postulates Peano Postulates define the natural numbers N. N is the sm

GRADE 6 math question?!?!

List all the factors of each number. How do you know you have found all the factors? Sort the factors into prime numbers and composite numbers. What do you notice? a) 34 b) 40 c) 72 d) 94-a) start wit

Compute the following limits? Calculus help

Compute the following limits using lHospitals rule if approrpriate? a) lim (x-->1) of [(7^(x)-7)/(x^(2)-1)] b) lim (x-->infinity) of [( arctan(x)) / ((1/x)-7) ]?-in part a) the lim approaches (7-7)

How to solve a multivariate polynomial

-6y+3v^2-vy+18v 5 stars best answer. I dont understand how to do this -.- thank you everyone-first look for common multiple in all the polynomials given. 3 is the common multiple between each polyno

The legs of a right triangle are in the ratio of 3 to 4. If the hypotnuse is 10 find the longer leg

If the two legs have a ratio of 3 to 4, the hypotenuse is 5. I believe my math teacher referred to this a a 3, 4, 5 triangle (a special type of right triangle). Think of one side being 3 inches, the o

Help me please!!!!!!!!!!!!!!!!

Given the functions f(x)= -x^2-2x-2, g(x)=2(x-2)+1 Find the following (simplify answers as much as possible. a) g(f(x)) b) gf(1) c) f(x+h)-f(x)/h d) inverse of (g-1)(x)-g(f(x) =2[(-x^2-2x-2)-2]+1 =2(-

Please help! Ten points to best answer!

I really just need help trying to solve these. I dont need answers, I just need the steps to understand how to work the problems. ANY help at all is greatly appreciated. Solve by using any method.
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