The distance s (in feet) covered by a car after t sec is given by
?
.
?
Find a general expression for the car's acceleration at any time 
.
?
A. 
B. ?
C. ?
D. ?
E. ?
Answer: A
You might also like to view...
Refer to the following recipe to first estimate the answer and then use multiplication or division to find the exact answer. Simplify. Old Grandma's Fork Cookies 1
cups brown sugar 1
cups white sugar 1
cups shortening 1 pinch salt 3 eggs 2
tsp soda 2
/> tsp cream of tartar 1
tsp vanillaCream sugars and shortening. Beat in remaining ingredients. Add flour to stiffen like regular cookie dough. Roll into balls, then flatten with a fork. Cook until brown.Find the amount of cream of tartar needed if you take 
times the recipe.
A. Estimate: 6 tsp
Exact: 3
tsp
B. Estimate: 3
tsp
Exact: 6 tsp
C. Estimate: 4 tsp
Exact: 3
tsp
D. Estimate: 4 tsp
Exact: 3
tsp
The sides in the pair of figures are proportional. Find the missing length(s).
Give your answers as mixed numbers if appropriate.
A. x = 
, y = 
B. x = 
, y = 
C. x = 
, y = 
D. x = 
, y = 
Solve by using the square root property.(x + 5)2 = 14
A. x = -5 ± 
B. x = ± 
C. x = 9
D. x = 5 ± 
Check the answer. If incorrect, give the correct answer.
A. Incorrect; should be 31 R1 B. Incorrect; should be 31 C. Correct D. Incorrect; should be 30 R2