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Worksheetsch5 and ch6
Total questions: 38
Worksheet time: 1hrs 16mins
The function f (x) = |x| + |x – 1| is
continuous at x = 0 as well as at x = 1.
continuous at x = 1 but not at x = 0.
discontinuous at x = 0 as well as at x = 1.
continuous at x = 0 but not at x = 1.
Iff(x)=2x and g(x)=2x2+1, then which of the following can be a discontinuous function
f(x)+g(x)
f(x)−g(x)
f(x).g(x)
g(x)f(x)
Find the derivative ofcot2x3
2cotx3
−2cotx3cosec2x3
−6x2cosec2x3.cotx3
−6x2cosec2x3.
Is the function defined by f(x)=x2–sinx+5 continuous at x=π?
yes
no
Find the derivative of
1+x21
1+x22
1+x23
1+x24
Find dxdy of x=a (cosθ+θsinθ),y=a(sinθ – θcosθ)
sinθ
cosθ
tanθ
cotθ
Find the second order derivative of x20
120x19
120x18
380 x18
380 x19
Differentiate sin2x w.r.t ecos x
ecos xcosx
−ecosx2cosx
ecosx2cos2x
−ecosx2cos2x
Differentiate ex , x>0 with respect to x.
xexex
4xexex
−4xexex
xex4ex
Differentiate log7(log x) with respect to x
log7logx1
log7logxlogx
xlog7logx1
log7logxx
Differentiate cot−1[1+sinx−1−sinx1+sinx+1−sinx] , 0<x<2π
32
21
23
43
Find dxdy of xy=e(x−y)
x(y+1)(y−1)
x(y+1)1
(y+1)x(y−1)
x(y+1)y(x−1)
Find dxdy of xy=e(x−y)
x(y+1)(y−1)
x(y+1)1
(y+1)x(y−1)
x(y+1)y(x−1)
Differentiate ex3
3x2ex3
6x2ex3
3xex3
6x ex3
Derivative of sinx w.r.t. cosx
(a)
Local maximum point is obtained when
f′(x) exchange from negative to positive
f′′(x) exchange from positive to negative
f′(x) exchange from positive to negative
f′′(x) exchange from negative to positive
Over what interval(s) f(x) is increasing?
(−∞,−3)∪(1,∞)
(−3,1)
(−5,0)∪(2,∞)
(−5,∞)
If (a,b) is a local minimum, then what will be true about f′(a) ?
It's positive
It's negative
It's zero
Cannot be determined
What is the stationary points for the curve
y=x3+3x2−24x and determine their nature.Maximum point : (2, -28) and minimum point : (-4, 80)
Minimum point : (2, 28) and maximum point : (-4, 80)
Minimum point : (2, -28) and maximum point : (4, 80)
Minimum point : (2, -28) and maximum point : (-4, 80)
Evaluate x→0limx3tan(x)−x
21
−4.5
31
41
What is the absolute minimum value for the function f(x)=2x2+4x−1 ?
−1
−4
4
−3
Find
dxdy given that y2+xy=cos(y)2y+x
−2y+x+sin(y)y
2y+xsin(y)−y
−y−xy
Find the equation of the tangent to the curve y = 4x2 − 12x + 7 at point (2, −1).
y + 4x - 9 = 0
y -4x -9 = 0
y - 4x + 9 = 0
y + 4x + 9 = 0
What is the slope of the line normal to the curve y = x2 + x at x = 1?
-1
-1/2
-1/3
-1/4
What is the equation of the line tangent to the curve y = x2 at x = 1?
y = 2x + 1
y = 2x - 1
y = -2x + 1
y = x - 1
What is the equation of the tangent line at x = 1 of f(x)= x
y=21x−21
y=21x+21
y=2x−1
y=2x
What is the equation of the line tangent to f(x)= 4x2+2x-1 at x=0?
y+1=2(x+1)
y=2x-1
y=2x+2
y= -x-1
Write the equation of the normal line of: f(x)=2x2−x1 at x = 1
y=−51x+54
y=5x−6
y−1=5(x−1)
y−1=−51(x−1)
Find the equation of the tangent line at the point (-1,1) of: f(x) = x4
y=−41x−3
y=−4x−3
y=41x+3
y=4x+3
Find the slope of f(x) = -3x2 – 6x at x = 1.
m = 0
f'(x) = -6x - 6
f'(x) = 6x
m = -12
Find the slope of f(x) = -3x2 – 6x at x = 1.
m = 0
f'(x) = -6x - 6
f'(x) = 6x
m = -12
Find the slope of f(x) = -3x2 – 6x at x = 1.
m = 0
f'(x) = -6x - 6
f'(x) = 6x
m = -12
Find the slope of f(x) = -3x2 – 6x at x = 1.
m = 0
f'(x) = -6x - 6
f'(x) = 6x
m = -12
Write the slope of the line tangent to the graph of y=x2 – 2 at the point x = -8.
2
-4
-8
-16
If the gradient of the tangent is 34 , what is the gradient of the normal at the same point?
−43
34
43
−34
