Let v1 = 2
4
12
26
2
3
5,v2 =
2
4
0
5
1
3
5 and v3 =
2
4
3
4
0
3
5,
i ) Is the set fv2; v3g linearly independent or not? Give reason.
ii ) Does v1 lie in Spanfv2; v3g? Prove.
iii ) The set fv1; v2; v3g is linearly dependent. Explain why.
iv ) Are the sets fv1; v2g and fv1; v3g also linearly dependent?

In pqr the obtuse angle is 105 and the shorter sides measure 4 and 7 units rounded to the nearest tenth what is the area of triangle pqr

Sample response: if the graph passes the horizontaline test, then the function is one to one. functions that are one to one have inverses that a therefore, the inverse is a hinction compare your response to the sample response above. what did you include in your explanation? a reference to the horizontal-line test d a statement that the function is one-to-one the conclusion that the inverse is a function done

List x1, x2, x3, x4 where xi is the left endpoint of the four equal intervals used to estimate the area under the curve of f(x) between x = 4 and x = 6. a 4, 4.5, 5, 5.5 b 4.5, 5, 5.5, 6 c 4.25, 4.75, 5.25, 5.75 d 4, 4.2, 5.4, 6