1.The cost of manufacturing clocks is given by C(x)=46+ 34x-x². Also, it is known that in t hours the number of clocks that can be produced is given by x=7t, whereExpress C as a function of t.

Question 1 options:

a)	C(t)=46+ 238t- 49t2

b)	C(t)=46+ 34t+t2

c)	C(t)=46+ 238t- 49t

d)	C(t)=46+ 34t- 7

2. A function that models the population (in thousands) of children under the age of 18 in a certain town, t years after 2010 is C(t)=0.0020t²-0.163t+15.82. A function that models the population (in thousands) of adults aged 18 or over of the same town, t years after 2010 is A(t)=0.0033t^2-0.217t+25.08Find the equation of a function that models the estimated population of the town t years after 2010. Question 4 options:

a)	P(t)=0.0033t2+0.0020t+40.52

b)	P(t)=0.0053t2-0.054t+40.9

c)	P(t)=0.0053t2-0.38t+9.26

d)	P(t)=0.0053t2-0.38t+40.9

3.

Determine if the function is a growth exponential or a decay exponential. y=6^0.8x

a)

Decay

b)

Growth

4. Find (g f)(-8) when f(x) = -3x - 7 and g(x) = -5x²- 6x - 2.

a)

-265

b)

-189

c)

815

d)

-1549

5.

Let f(x)=e^3x. Find f(0.47), rounded to four decimal places.

a)

-2.6814

b)

-4.096

c)

4.0960

d)

2.6814

6. Evaluate. If f(x)=x-6and g(x)=x+3, evaluate (f+g)(3). Question 10 options:

a)

3

b)

-3

c)

15

d)

9

6.

Determine if the function f defined by the set of ordered pairs has an inverse. If so, find the inverse. {(6,-7), (11,-6), (9,-5), (7,-4)} Question 14 options:

a)	{(7,6), (6,11), (-5,9), (-4,7)}

b)	No inverse

c)	{(-7,6), (-6,11), (-5,9), (-4,7)}

d)	{(6,-7), (11,-6), (9,-5), (7,-4)}