Pretest: Unit 5 Question 6 of 46
What identity can be used to rewrite the expression
4x²-9?
A. Sum of Cubes
B. Difference of Cubes
C. Difference of Squares
D. Pythagorean Triples

How many zeros does the function f(x)=4x3-x2+1 have

2.5 milligrams is equivalent to how many grams

In each of the cases that follow, the magnitude of a vector is given along with the counterclockwise angle it makes with the +x axis. use trigonometry to find the x and y components of the vector. also, sketch each vector approximately to scale to see if your calculated answers seem reasonable. (a) 50.0 n at 60.0°, (b) 75 m/ s at 5π/ 6 rad, (c) 254 lb at 325°, (d) 69 km at 1.1π rad.