9.0
0.9
-0.3
-0.9
Correct answer is D
\(y = 4 - 9x\)
\(\frac{\mathrm d y}{\mathrm d x} = \frac{\Delta y}{\Delta x} = -9\)
\(\frac{\Delta y}{0.1} = -9 \implies \Delta y = -9 \times 0.1 = -0.9\)
Solve: \(\sin \theta = \tan \theta\)...
Simplify \(2\log_{3} 8 - 3\log_{3} 2\)...
Age(in years) 1 - 5 6 - 10 11 - 15 Frequency 3 5 2 Calculate the standard de...
If \(f(x) = 3x^{3} + 8x^{2} + 6x + k\) and \(f(2) = 1\), find the value of k....
A circle with centre (5,-4) passes through the point (5, 0). Find its equation. ...
If \(8^{x} ÷ (\frac{1}{4})^{y} = 1\) and \(\log_{2}(x - 2y) = 1\), find the value of (x ...
If \(\sin x = -\sin 70°, 0° < x < 360°\), determine the two possible values of x....