Pre-Calculus, 9th edition
100

 PAGE: 462 SET: Exercises PROBLEM: 100

(a)

The function and and the inveral .

Graph :

Graph the functions and .

(b)

The function and .

Solve .

Trignometric value : .

Point of intersections are and .

Graph :

Graph the functions and .

Plot the point of intersection and .

.

(c)

The function and

Solve .

Trignometric value : .

and .

and .

and

and .

The solution is .

(d)

The function and

The intersection points are  and

when .

Graph :

Graph the functions and .

Plot the point of intersection and .

.

(a) The function and in the interval .

(b) The intersection points are and .

Graph of the functions , and  point of intersection and :

(c) The solution is .

(d)

Graph of the functions , and  point of intersection and :

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