exam
Maths Puzzle
Numerical Ability
Carol has more than 80 coins, all nickels and dimes. She has dimes than nickels. What is the least number that Carol can have.
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exam Other Question
Find the vertex, the line of symmetry, and the maximum/minimum value of f(x). Then, graph the function.
f(x) = -(x+2)^2 - 4
The vertex is:
The line of symmetry is:
The maximum/minimum value is:
Graph the function.
Not owning, need help...
err, its a function.
2x+y=6