Which of the following would best represent a cosine function with an amplitude of 3, a period of pi over 2, and a midline at y = - 4?

f (x) = - 4 cos 4x + 3

f (x) = 3 cos (x - pi over 2) - 4

f (x) = 4 cos (x - pi over 2) + 3

f (x) = 3 cos 4x - 4

There are 64 boxes of pencils in a case. each box weighs 2.5 ounces. what is the weight of a case

Red vases cost $4.20 and clear vases cost $5.70. If 25 vases cost $120 how many of each did i get?

What number is 60% of 70?

You by 3.19 pounds of grapes 1.25 pounds of apples and 2.12 pounds of peaches what is your total bill

What expression is not equivalent to 1/343 A. 7-1 x 7-2 B. 77 x 7-10 C. 7-2 x 7-5 D. 7-5 x 72 (All expressions have an Integer either negative or positive u just can't type it correctly here and B and D or not 77 or 72 it's 7 and positive 7 and D is

Logan ate 1.438 pounds of grapes. His brother Ralph ate 1.44 pounds of grapes. Wich brother ate more grapes?

If x=11 units and h=7 units, then what is the area of the triangle shown above

What is when 12+21 to the 8th power

Eight times the sum of a number and six

What is the period of y=sin (3x)