The function f(t) = t2 + 12t − 18 represents a parabola.

part a: rewrite the function in vertex form by completing the square. show your work.

part b: determine the vertex and indicate whether it is a maximum or a minimum on the graph. how do you know?

part c: determine the axis of symmetry for f(t).

When drawing a trend line for a series of data on a scatter plot, which of the following is true? a. there should be an equal number of data points on either side of the trend line. b. all the data points should lie on one side of the trend line. c. the trend line should not intersect any data point on the plot. d. the trend line must connect each data point on the plot.

Acredit card advertises an annual interest rate of 23%. what is the equivalent monthly interest rate?

In the field of thermodynamics, rankine is the unit used to measure temperature. one can convert temperature from celsius into rankine using the formula , what is the temperature in celsius corresponding to r degrees rankine? a. 9/5(c - 273) b. 9/5(c + 273) c. 5/9( c - 273) d. 5/9( c + 273)