10/11/21

Find the angle α as shown in the triangle below

One side is 25, the other side is 20 and the other side is 18. The angle α is between sides with length 25 and 18.

10/08/21

Can anyone help me with this?

A volume is described as follows:1.  the base is the region bounded by x=−y^2+16y−51 and x=y^2−20y+109;2.  every cross section perpendicular to the y-axis is a semi-circle.Find the volume of this... more

10/04/21

Find all 0 ≤ x < 2π such that 2 sin(2x) = 1.

10/04/21

Find all 0 ≤ x < 2π such that sin x − csc x=0.

Use the Squeeze Theorem to evaluate the limit lim x→10 f(x), if −1x + 110 ≤ f(x) ≤ x^2 on [8,12].

Use the Squeeze Theorem to evaluate the limit lim x→10 f(x), if −1x + 110 ≤ f(x) ≤ x^2 on [8,12].

Derivative Question

Need help going through this questions please. For the equation given below, evaluate dx/dy at the point (1,1).(3x - y)^4 + 3y^3 = 19dy/dx at (1,1) =

09/27/21

math problem I dont get

Determine if the following functions are one-to-one, even,odd, periodic(a) f(x)=x2+6x−8, for x∈[3,∞)b) f(x)=tan (7x) for x∈{-pi,pi}c) f(x)=cos(9x) for x∈Rd) f(x)=8x^5please help me I dont get this

Street light Calculus Problem

A street light is at the top of a 20-ft-tall pole. A 6-ft tall woman walks away from the pole with a speed of 7 ft/sec along a straight path (see figure). How fast is the tip of her shadow moving,... more

Let f: A→B be a function, and X⊆A.Prove or disprove: f(f^−1(f(X)))=f(X).

More clearly written: Let f: A→B be a function, and X⊆A.Prove or disprove: f(f-1(f(X)))=f(X).I'm not sure where to even begin with this question...

09/23/21

Find the values of the trigonometric functions of t from the given information.

Find the values of the trigonometric functions of t from the given information. tan t =1/8terminal point of t is in quadrant III

09/23/21

Calculate ∫[2,0]((𝑥^2)/3)+8𝑑𝑥 by using the definition ∫𝑏𝑎𝑓(𝑥)𝑑𝑥=lim𝑛→∞[∑𝑖=1𝑛𝑓(𝑥𝑖)Δ𝑥] Find Rn and Lim of Rn as n approaches infinity

(1 point) Consider the function 𝑓(𝑥)=((𝑥^2)/3)+8. In this problem you will calculate ∫[2,0]((𝑥^2)/3)+8𝑑𝑥 by using the definition ∫𝑏𝑎𝑓(𝑥)𝑑𝑥=lim𝑛→∞[∑𝑖=1𝑛𝑓(𝑥𝑖)Δ𝑥] The summation inside the brackets is... more

09/23/21

Limits of a function

lThe limit  lim𝑥→0 𝑥+sin𝑥/3𝑥 is equal to ... 1 1/3 2/3 4/3 0

09/23/21

Limits of a Function

Let  𝑓(𝑥)=ln(𝑥−1)2𝑥−4f(x)=ln⁡(x−1)2x−4 . Find the correct statement(s).Choose all that apply.Group of answer choices 𝑓(2) does not exist. 𝑓(2)=0.5 The point  (2,0.5) is on the graph of  𝑓 . The... more

09/23/21

Limits of a function

Here is a table of values for the... more

calculus math help

hi there im really struggling with these questions Suppose that f is continuous on [0, 6] and that the only solutions of the equation  f (x) = 3 are x = 1 and x = 5. If  f (4) = 5, then which of... more

09/20/21

what is the volume for this?

y = 3 sin(x),  y = 3 cos(x),  0 ≤ x ≤ 𝜋/4 ;  about y = −1

Calculus Problem Question, Elastic band

An elastic band is hung on a hook and a mass is hung on the lower end of the band. When the mass is pulled downward and then released, it vibrates vertically.The equation of motion is s(t) =... more

Could someone help me on this Proof please?

We went over this question today in class and I don't understand it. Could someone help?Let a and b be integers. Prove that a<b if an only if a≤b-1What I did was rename a and b, x and x+1... more

09/20/21

Plot the given point in rectangular coordinates

Plot the given point in rectangular coordinates and find two sets of polar coordinates for the point for 0 ≤ Θ ≤ 2π.1. (-7, 0)

09/07/21

Discreate mathematics

Is there any one who can help me past of days or weeks 🥺 I didn't get answer from here plz respond anyone for probability questions : A box contains 17 balls of each color (i.e., green, red, and... more

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