Everything Maths Grade 10

43.For which values ofis the function increasing, in the interval shown?

90 180 270 360

 3

 2

 1

1

2

3

y= 3sin

x

y

44.For which values ofis the function positive, in the interval shown?

90 180 270 360

 1

1

2

3

y=cos+^32

x

y

45.Given the general equationsy=mx+c,y=ax^2 +q,y=

a

x

+q,y=a : bx+q,y=asin+q,

y=acos+qandy=atan, determine the specific equations for each of the following graphs.

a)

0

(2;6)

x

y

226 6.8. Chapter summary