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madzai2016
madzai2016 madzai2016
  • 30-06-2016
  • Mathematics
Answered

Evaluate x3 - 3y when x = -3 and y = 4.

A -39

b -15

c 15

d 39


which one is the correct answer ?

Verified Answer :

jhonyy9
jhonyy9 jhonyy9
  • 30-06-2016

so x^3 -3y when x = -3 and y =4 will be 

(-3)^3 -3*4 = -27 -12 = - 39

hope thsi will help you 

so choice A is right sure 


Answer Link
Neuron
Neuron Neuron
  • 30-06-2016

If you would like to solve x^3 - 3 y when x = - 3 and y = 4, you can do this using the following steps:

x = - 3
y = 4
x^3 - 3
y = (-3)^3 - 3 * 4 = -27 - 12 = - 39

The correct result would be A -39.

Answer Link

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