Algebra

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Let f(x) = e^x – 2 + 3

a. Describe in words how the graph of f can be obtained from the graph of y = e^x.

b. What is the domain of f?

c. What is the range of f?

d. What is the y-intercept? State the approximation to 2 decimal places (i.e., the nearest hundredth).

  • Algebra -

    http://www.jiskha.com/display.cgi?id=1248816047

  • Algebra -

    I must have a twin! lol...Hey can you tell me if this is correct?

    (a) Describe in words how the graph of f can be obtained from the graph of y = e^x.

    The graph of f can be obtained from the graph of y = e^x by off setting the graph by one.

    (b) What is the domain of f? x= {x|-&<x<+&, xEReal} X is the element of real numbers this means Infinite.

    Domain of f is all real values of f.


    (c) What is the range of f? The range is all the real numbers except three.

    (d) What is the y-intercept? State the approximation to 2 decimal places (i.e., the nearest hundredth).

    y intercept is when x is zero. e^-2 + 3 or about 1/e^2 + 3 =approximately 1/6 + 3 + 3.15 checking that in a calculator:???????????????????
    IF X=0 THEN Y=e^ (-2) +3
    e=2.7
    2.7^-2+3=1/2.7^2+3= 3.14

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