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All posts related to Functions

Koustabh Dolui
Shared from SAT Math 16 on Sep 05, 2012 9:10 PM

It is given that f(x) = – x2 + x. What is the value of x, if f(x) = – 6?

 
1
2
3
- 3
4
Please type your answer before submitting.
Sushma

Answer should be -2 and 3 but why the given answer is just 3??

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Arpit Srivastava
Shared from Functions and Graphs - 1 on Aug 31, 2012 5:29 AM

Directions: The following functions have been defined for X, Y and Z (three numbers).

A(X, Y) = Average of X and Y
P(X, Y) = Product of X and Y
D(X, Y) = X divided by Y

Answer the question with the above data.

The sum of X, Y and Z is given by

 
P(A(P(A(Y, X), 2), Z), 2)
D(A(P(Y, X), 3), Z), 2)
D(P(A(P(Y, X), 2), Z), 3)
D(P(A(Y, Y), 7) Z), 9)
Cannot be determined
Please type your answer before submitting.
Arpit Srivastava

When the value of Z is not given....how can the exact value be determined?

Batman
Shared from Functions and Graphs - 1 on Aug 21, 2012 10:52 PM

What is the maximum value of f(x) = 3 - (x + 5)2?

 
-5
2
3
4
5
Please type your answer before submitting.
Maruthi Naidu

CHOICE C i.e 3

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Rajarajan
Shared from Progressions, Inequalities on Aug 06, 2012 2:37 PM

The graph of f(x) and its transformation is given below. What is the expression for its transformation in terms of f(x)?

 
f(x - 3)
f(x) - 3
f(x + 3)
f(x) + 3
f(x + 3) + 3
Please type your answer before submitting.
Adrisha Mullick

F(x+3)+3

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Maddike Nagarjunareddy
Shared from Quantitative Reasoning (GRE) on May 26, 2012 6:37 PM

For which of the following values of x will the function y =+ x – 56 be plotted on real number line?

Indicate all such values.

Please type your answer before submitting.
Nu

Consider square root for whole term then it will be fine.

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