Trigonometry
In ΔJKL, k = 6.7 inches, m∠Q=27° and m∠R=7°. Find the length of j, to the nearest 10th of an inch.
j = 8.0 inches
Geometric Sequences have a ______ ratio.
common/constant
Vector y has an initial point of (9,-4) and a terminal point of (-1,-2).
Find component form of y.
(x2 - x1, y2 - y1)→(-1 - 9, -2 - (-4))→(-8, -3)
f(x) = x2 + x - 8/x2 - x - 4
Find x→−0−lim f(x)
2
Find f′(x).
f(x) = 8x4 + 7
f′(x) = 32x3
In ΔXYZ, y = 7.7 inches, z = 9 inches and ∠X=98°. Find the length of x, to the nearest 10th of an inch.
12.6 inches
Find the common difference of the arithmetic sequence 21, 18, 15,...
3
Whats the rectangular equation of r = 7/sin0.
y = 7
Evaluate.
limx→7 x2 - 5x - 25/x2 - 8x + 32
-25/17
Evaluate f′(1).
f(x) = -2x5 - 4x2
-18
In ΔSTU, s = 570 inches, t = 430 inches and u=770 inches. Find the measure of ∠U to the nearest degree.
100∘
Find the 67th term of the arithmetic sequence 7, 2, -3,...
-323
Convert the point (3, π/3) from polar to rectangular coordinates.
(3/2, 3 sqrt of 3/2)
Evaluate.
limx→8 2x2 - 15z + 9/9 - z
z2 - 48
Let f(x) = 7x2 + 2.
Use the limit definition of the derivative to find f′(x).
f′(x) = 14x