Solve the problem by integration.The current i (in A) as a function of the time t (in s) in a certain electric circuit is given by 
Find the total charge that passes a given point in the circuit during the first three seconds.
A. 3.761 C
B. 1.254 C
C. 11.284 C
D. 3.738 C
Answer: A
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Graph the hyperbola.1y2 - 4x2 = 4
A. 
B. 
C. 
D. 
Find the exact value of the trigonometric expression without the use of a calculator.cos (135° + 240°)
A. - 
B. 
C. 
D. - 
Write an expression in terms of the given variable(s) that represents the indicated quantity.The amount of bacteria after n minutes if the initial amount of bacteria is q and the amount of bacteria triples every minute.
A. 3qn B. q ? n3 C. q ? 3n D. q ? 33n
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.If the recipe is tripled, how much soda will be needed?
A. Estimate: 9 tsp
Exact: 7
tsp
B. Estimate: 9 tbsp
Exact: 7
tbsp
C. Estimate: 6 tsp
Exact: 6
tsp
D. Estimate: 7
tsp
Exact: 9 tsp