pranita

Which of the following is the scaling factor of the function f(x)=3|x|?

(a) - 2,

(b)   2,

(c)   3,

(d)  -3.

 

1 mark 33. If A is a 4 x 4 matrix with det A = 3, find det(Adj A). A: 3 9 B: C : 12 D: 27 E: 81

4.  Factor the following as a difference of squares.

a) x^2−25

b) x^2−169

c) 81 x^2−100

d) 64−121x^2