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Function Evaluation and Graphs Quiz
5 Questions
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Function Evaluation and Graphs Quiz

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Questions and Answers

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 $f(x) = -x^2 + 256$?

  • -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?

  • $V(x) = x(24-2x)^2$ (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?

    <p>$d(t) = 500t$</p> Signup and view all the answers

    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?

    <p>$a \approx 1.67$, $b \approx 29.3$</p> Signup and view all the answers

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