Answer My Calculus

Algebra Level 2

Let the interval ( a , ∞ ) (a , \infty) be the range of function f f . The range of f ( x ) − 4 f(x) - 4 is given by

the interval (a - 4 , +infinity) the interval (a, +infinity) none of the above the interval (a + 4, +infinity)

Franz Pabilona by Franz Pabilona , 21, Philippines

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1 solution

Franz Pabilona
May 1, 2016

If the range of f is given by the interval (a , +infinity), we can write the following inequality

f(x) > a

add - 4 to both sides on the inequality to obtain

f(x) - 4 > a - 4

The last inequality suggests that the range of f(x) - 4 is (a - 4, +infinity)

1 Helpful 0 Interesting 0 Brilliant 0 Confused

This is a nice question. Can you improve the format a little bit? You can also use Latex in the choices and in solution.

展豪 張 - 5 years, 1 month ago

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