18.91
19.75
25.63
38.23
Correct answer is C
\(y = 19.33 + 0.42x\)
\(\text{The value of y when x = 15} = 19.33 + (0.42 \times 15)\)
= \(19.33 + 6.30\)
= 25.63
Marks 0 1 2 3 4 5 Number of candidates 6 4 8 10 9 3 The table above sh...
Given that \(f(x) = 2x^{2} - 3\) and \(g(x) = x + 1\) where \(x \in R\). Find g o f(x)....
Which of the following is the same as \(\sin (270 + x)°\)?...
Which of the following quadratic curves will not intersect with the x- axis? ...
Evaluate \(\cos 75°\), leaving the answer in surd form....
Given that \(r = 3i + 4j\) and \(t = -5i + 12j\), find the acute angle between them....
Given that \((\sqrt{3} - 5\sqrt{2})(\sqrt{3} + \sqrt{2}) = p + q\sqrt{6}\), find q....
Which of the following is a singular matrix? ...
If \(f(x) = 3x^{3} + 8x^{2} + 6x + k\) and \(f(2) = 1\), find the value of k....