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Questions and Answers
What is the value of f(-1) for the function $f(x) = -x^2 + 256$?
What is the value of f(-1) for the function $f(x) = -x^2 + 256$?
- 257
- 254 (correct)
- 253
- 255
For what value of x is f(x) = 1 for the function $f(x) = -x^2 + 256$?
For what value of x is f(x) = 1 for the function $f(x) = -x^2 + 256$?
- -16 (correct)
- 15
- -15
- 16
What is the volume V of the open box expressed as a function of x, if a square piece of material, 24 cm on a side, is used to make the box?
What is the volume V of the open box expressed as a function of x, if a square piece of material, 24 cm on a side, is used to make the box?
- $V(x) = x(24-2x)^2$ (correct)
- $V(x) = 24x - 4x^3$
- $V(x) = 24x^2 - 48x$
- $V(x) = 24x - 2x^3$
If a plane is flying at a speed of 500 km per hour, what is the distance 'd' travelled by the plane as a function of time 't' in hours?
If a plane is flying at a speed of 500 km per hour, what is the distance 'd' travelled by the plane as a function of time 't' in hours?
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Based on the given data, what are the constants 'a' and 'b' in the relationship $y = ax + b$, where 'y' is height and 'x' is forehand length?
Based on the given data, what are the constants 'a' and 'b' in the relationship $y = ax + b$, where 'y' is height and 'x' is forehand length?
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