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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?
Find the value of p and q for which the system of equations represent coincident lines 2x +3y = 7, (p+q+1)x +(p+2q+2)y = 4(p+q)+1 Ans: a 1 = 2, b 1 = 3, c 1 = 7 a 2 =
An $80.00 coat is marked down 20%. It does not sell, so the shop owner marks it down an additional 15%. What is the new price of the coat? Find out 20 percent of the original p
Five cards - the ten, jack, queen, king and ace, are well shuffled with their face downwards. One card is then picked up at random. (i) What is the probability that the card is
76 is 2% of what number?
i have many trouble in this subject
the formulas of the area of solid figures
Give the Examples in Real World of Proportions? Proportions can be used in cooking. For example, the following is a set of ingredients for a pasta called "Spaghetti All' Amatri
Compute the dot product for each of the subsequent equation (a) v → = 5i → - 8j → , w → = i → + 2j → (b) a → = (0, 3, -7) , b → = (2, 3,1) Solution (a) v →
Prove: 1/cos2A+sin2A/cos2A=sinA+cosA/cosA-sinA
What is homomorphism ring
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