Tell whether or not the relation is a function.{(-1, -9), (2, 8), (6, -8), (9, -9), (12, 8)}
A. Yes
B. No
Answer: A
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Use a combination of rules for exponents to simplify. Write answers with only positive exponents. Assume that all variables represent nonzero real numbers.
A. 
B. 
C. 
D. 
Multiply or divide and write scientific notation for the result.(19.36 × 104) ÷ (4 × 109)
A. 4.84 × 10-5 B. 4.84 × 1013 C. 9.68 × 1013 D. 9.68 × 10-5
Choose the graph that matches the equation. y = -5x + 4
A. 
B. 
C. 
D. 
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