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Consider the function f(x) = x + 1/x2 + 2x - 3.
(a) Find f(2) and f(-2).
(b) Find the domain of f(x).
(c) Does the range include 1? Show your working.
(d) Find and simplify f(x - 1).
(e) Does the graph of y = f(x) cut the x-axis? If so, where?
Proof of Sum/Difference of Two Functions : (f(x) + g(x))′ = f ′(x) + g ′(x) It is easy adequate to prove by using the definition of the derivative. We will start wi
I really need help with 30 60 90 right triangles and my last tutor did not make sense to me so can you please help
What is Monomials and Polynomials in maths? An expression like 7x is called a monomial. A monomial is an integer, a variable, or a product of integers and variables. Other e
What is a two step equation that equals 8 ?
If a school has lockers with 50 numbers on each combination lock, how many possible combinations using three numbers are there.
1. Show that there do not exist integers x and y for which 110x + 315y = 12. 2. If a and b are odd integers, prove that a 2 +b 2 is divisible by 2 but is NOT divisible by 4. H
Solve 6 sin ( x/2)= 1 on [-20,30] Solution Let's first work out calculator of the way since that isn't where the difference comes into play. sin( x/2)= 1/6 ⇒x/2= sin
Q. Describe Standard Normal Distribution? Ans. The Standard Normal Distribution has a mean of 0 and a standard deviation of 1. The letter Z is often used to refer to a sta
A right triangle whose sides are 15 cm and 20 cm is made to revolve about its hypotenuse. Find the volume and surface area of the double cone so formed. (Ans : 3768cu.cm,1318.8
I have a question that hurts my head to work out. It is really confusing for me. It sais " By the start of the 21st century, only 1 in 6 babies in America was born with blue eyes.
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