Identify which of the following non-terminating geometric series converge, for values of x such that 1 < x < 2.
A. I and IV
B. II, III and IV
C. II and IV
D. I, II and IV
正解:C
質問 2:
A snack bar does not give an itemised bill tor drinks In the past three visits, the total bills have been:
1) Three teas, two coffees and one lemonade cost £9.80
2) One tea four coffees and two lemonades cost £13.60
3) Two teas, two coffees andtwo lemonades cost£10
Calculate the price for a single coffee, given the prices have been the same for the three visits.
A. £1.20
B. £2.48
C. £2.40
D. £2.05
正解:C
質問 3:
Let X be a random variable.
identify which of the following statements is correct.
A)
B)
C)
D)
A. Option C
B. Option A
C. Option D
D. Option B
正解:D
質問 4:
A)
B)
C)
D)
A. Option C
B. Option A
C. Option D
D. Option B
正解:C
質問 5:
The volume of a cone can be determined by summing up the infinitesimal circular cross-sections of the cone across the length of the cone Consider the function f(x) = x2 for x contained in [0,1].
Now consider an infinitesimal circular cross-sectional element of width dx and radius r = f(x) Determine the volume of the cone enclosedby the function f(x) by considering the volume of each circular cross-sectional element (Recall thatthe sum of infinitesimal elements can be represented as an integral Recall also that the area of a
circle is
A)
B)
C)
D)
1
A. Option C
B. Option A
C. Option D
D. Option B
正解:C
Yamazaki -
Module-0問題にも丁寧な解説がなされています。教科書という感じが少なく読みやすさは抜群です。