Homework Answers
a.) When a value is added to x, the graph shifts that units to the left, and
When a value is added to y, the graph shifts that units to the upside.
So, according to the equation, y = ex+1-3, graph of ex is shifted left by 1 unit and shifted down by 3 units.
So A is the correct option.
b.) Domain is the all possible value that x can take in the function. As for all values of x, the function is defined, domain of the function is (-inf, +inf).
c.) As the smallest value ex can have is 1 (when x = -inf), the smallest value of y is 0-3 = -3.
Largest value of ex is inf, So largest value of y is inf.
So Range of function is (-3, +inf).
d.)
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