Question

7. The range of 4+5 cos x is​

Answer 1

Answer:

x=====9

Step-by-step explanation:

5+4=9okokokokook

Answer 2

1<cosx<1.

-5<5cosx<5.

-1<4+5cosx<9.

4+5cosx€[-1,9].

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hope this helps you.