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Discussion

Quantitative Reasoning Preparation for GRE
(73)

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

Indicate all such values.

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Nu

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

Ganesh Kumar

All options are correct.

Goutham

Solution ????????

Vasavi

Solution??

Joseph Thomas

Y = x^2 x – 56 for the expression to be imaginary value off x^2 should be -ve. Here all values of x given in expression are real. hence the expression will have a real value for all the options.