Given the function y = -2ex , find y if x = 3.

Assuming function is : y(3)= -16.31.

Assuming function is : y(3)= -40.17

Step-by-step explanation:

These should both be simple enough to do with a calculator or simply googling, but if you must do it by hand, an easy trick to remember is that e is approximately equal to 2.718 so substitute that value wherever you see e. Then, just substitute 3 in for x and simply multiply.

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step-by-step explanation:

3< x< 5

step-by-step explanation:

|x - 4| < 1

there are two solutions, one positive and one negative.   remember to flip the inequality when taking the negative solution

x-4 < 1       x-4 > -1

add 4 to each side

x-4+4 < 1+4       x-4+4 > -1+4

x< 5                 x> 3

3< x< 5