(1) E.
с
8 cm
ion 6 is 2
(Total for Question 23 is 3 marks)
24
The diagram shows a shape made from a trapezium ABCD and a
semicircle with diameter DC.
DC = 8 cm.
The shape has area 64 cm
The height of the trapezium is 5 cm.
D
Work out the length of AB.
Give your answer correct to 1 decimal place.
5 cm
B
A
2
-)
Area
E-6 = T
2

The function a represents the cost of manufacturing product a, in hundreds of dollars, and the function b represents the cost of manufacturing product b, in hundreds of dollars. a(t) = 5t + 2 b(t) = 7t - 2t +4 find the expression that describes the total cost of manufacturing both products, a(t) + b(t). a. 7t^2 - 7t + 2 b. 7t^2 + 3 +6 c. 7t^2 + 7t - 6 d. 7t^2 - 3t + 6

One hectometer is a) 1/1000 of a meter. b) 1/100 of a meter. c) 10 meters. d) 100 meters. e) 1000 meters.

The graph of a function f(x)=(x+2)(x-4). which describes all of the values for which the graph is negative and increasing? all real values of x where x< -2 all real values of x where -2