Provide an appropriate response.If a parabola opens downward, the highest point on the graph is called the 
of the parabola.
A. middle point
B. vertex
C. axis
D. top
Answer: B
Mathematics
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Solve.Find which is the better buy (lower cost per ounce) by finding each unit price rounded to three decimal places if necessary. Crackers: $3.15 for 18 ounces $1.4 for 8 ounces
A. $1.4 for 8 ounces B. $3.15 for 18 ounces C. Both cost the same per ounce.
Mathematics
Find the LCD for the fractions in the list.
, 
, 
A. 180 B. 36 C. 90 D. 60
Mathematics
Solve the problem.A mechanic is testing the cooling system of a boat engine. He measures the engine's temperature over time. Use a graphing utility to fit a logistic function to the data. What is the carrying capacity of the cooling system?
A. y = 
, 315°F
B. y = 
, 312°F
C. y = 
, 315°F
D. y = 
, 307°F
Mathematics
Solve.
- 
= 
A. {-4} B. {4} C. {-4, 4} D. ?
Mathematics