1. Given h(x) = -x3 + ax2 + bx and g(x) = -12x, P and Q(2; 10) are the turning points f h. The graph of h passes through the origin.
    20 Jul 2017 14:09
  2. If f(x) = -x2 - 3x, determine f `(x) from first principles.
    20 Jul 2017 12:43
  3. The graph of f shows the book value of a vehicle x years after the time Joe bought it. The graph of g shows the cost price of a similar new vehicle x years later.
    20 Jul 2017 12:32
  4. The graphs of f(x) = -2x2 and g(x) = -ax2 + bx + c are sketched below.Points P and Q are the y-intercepts of f. Points Q and R are the x-intercepts of g. S is the turning point f g. T is the y-intercept of both f and g.
    20 Jul 2017 12:09
  5. Given: h(x) = 2x - 3 for -2 ≤ x ≤ 4. The x-intercept of h is Q
    20 Jul 2017 11:32
  6. Given: f(x) = 2x + 1 - 8
    20 Jul 2017 11:25
  7. Consider the series: Sn = -3 + 5 + 13 + 21 + ... to n terms.
    20 Jul 2017 11:22
  8. The following geometric sequence is given: 10; 5; 2,5; 1,25; ...
    20 Jul 2017 11:16
  9. Solve for x:
    20 Jul 2017 10:15
  10. The digits 1 to 7 are used to create a four-digit code to enter a locked room. How many different codes are possible if the digits may not be repeated and the code must be an even number bigger than 5000?
    13 Jul 2017 19:10
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  3. 5
  4. 8
  5. 9
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  7. 11
  8. 12
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