Type of Tip 12 2 3 4 1 9.3 9.4 9.2 9.7 2 9.4 9.3 9.4 9.6 Specimen 3 9.6 9.8 9.5 10.0 10.0 9.9 9.7 10.2 (a) Is there any difference in hardness measurements between the tips? (b) Use the graphical method from Section 5-8.1 to investigate specific differences between the tips. (c) Analyze the residuals from this experiment.

Q: Simplify and state restrictions

A:

Q: x+1 8) x+ 1 x + 1 x - 5 16 16

A:

Q: x - dx x² +1

A: We are required to find∫xx2+1dx

Q: Find x, and x2- 30 X2 - 46

A:

Q: I just need help with 1-3. Not sure what to put them as.

A: Solve for 1-3

Q: what is 1+1

A: If we consider normal addition for "+" operation then,  1 +  1 = 2

Q: Did not get this problem right

A: Rewriting the expression: Simplifying:

Q: 1. Simplify the following: a) b) 8 45x X 3 15y 20y 18x 2 (x² − 9) 5 2 x+5x +6

A: Recall: a2-b2=(a+b)(a-b)

Q: If A = {2, 3}, B = {1,3}, C = {1, 2}, determine (A × B × C) n (C × A × B).

A: