Which exponential function best fits the data below? Use the exponential regression feature from a graphing calculator.
у
105.8
1
2
52.6
الما
26.5
4
12.9
5
6.7
6
3.4
Ay=208.47 (0.5)
By=198.5 (0.6)*
Cy=105.9 (1)
Dy = 105.5 (0.5)

Find the value of p for which the polynomial 3x^3 -x^2 + px +1 is exactly divisible by x-1, hence factorise the polynomial

What is the slope of the line shown below?

Match the following reasons with the statements given to create the proof. 1. do = ob, ao = oc sas 2. doc = aob given 3. triangle cod congruent to triangle aob vertical angles are equal. 4. 1 = 2, ab = dc if two sides = and ||, then a parallelogram. 5. ab||dc if alternate interior angles =, then lines parallel. 6. abcd is a parallelogram cpcte