How do I get the first four terms of this sequence?

How many roots does the graphed polynomial function have? 1-02

Apossible wavelength for the color blue is 0.000000492 meter. which of the following is a reasonable estimate for this wavelength for the color blue? a. 5 × 10-6 m b. 5 × 107 m c. 5 × 10-7 m d. 5 × 106 m

Find the slope of the line that passes through the points (0, 0) and (-2, -3). 2/3 3/2 -3/2