26 OACB is a trapezium A
3b
с
2a
Diagram NOT
accurately drawn
DO NOT WRITE IN THIS AREA
Sb
B
OA = 2a
OB = 5b AČ = 3b
The diagonals, OC and AB, of the trapezium intersect at the point P.
Find and simplify an expression, in terms of a and b, for OP
Show your working clearly,

the answer is a

step-by-step explanation:

find the magnitude of the trig term  

csc

(

x

)

−

1

by taking the absolute value of the coefficient.

1

find the lower bound of the range.

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y

=

−

2

find the upper bound of the range.

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y

=

0

the range is  

y

≤

−

2

or  

y

≥

0

.

(

−

∞

,

−

2

]

∪

[

0

,

∞

)

{

y

|

y

≤

−

2

,

y

≥

0

}

step-by-step explanation:

if you are saying purchasing 3 social media ads and one newspaper ad counts as one purchase then there are:

6 purchases

if you are asking how many of each then:

18 social media ads

6 newspaper ads