Data task 71: A New Zealand Level 3 learner evaluates evidence and justifies a conclusion in a complex context. For f(x)=x³+4x²+2x, what is f′(4)?
Choose an option to check your answer.
Differentiate term by term, then substitute.
Practice NCEA Level 3 Mathematics questions with answers and explanations.
Choose an option to check your answer.
Differentiate term by term, then substitute.
Choose an option to check your answer.
Use the antiderivative ax²/2+bx.
Choose an option to check your answer.
|a+bi|=√(a²+b²).
Choose an option to check your answer.
z=(x−μ)/σ.
Choose an option to check your answer.
Expected value is the probability-weighted sum.
Choose an option to check your answer.
Repeated multiplication gives uₙ=u₀rⁿ.
Choose an option to check your answer.
d(sin x)/dx=cos x.
Choose an option to check your answer.
The vertex occurs at x=h.
Choose an option to check your answer.
If repeated samples were taken, about 95% of intervals constructed by this method would contain the true parameter.
Choose an option to check your answer.
z=(x−μ)/σ.
Choose an option to check your answer.
Expected value is the probability-weighted sum.
Choose an option to check your answer.
Repeated multiplication gives uₙ=u₀rⁿ.