An objects motion is described by the equation d= 4sin (pi t) what will the height of the object be at 1.75 seconds?

-2√2, or ≈-2.83

Step-by-step explanation:

Well, when t = 1.75, our equation should be .

Note that . Using the unit circle (attached), we can find that the value of sine at radians is exactly . Plugging that value back into our equation gives us

So our answer is , in whatever units we're using to measure height.

45

step-by-step explanation:

to find a percentage, add a decimal in front and multiply it by the other number.

.25 times 180= 45

the graph in the attached figure

step-by-step explanation:

we have

using a graphing tool

the graph in the attached figure

the roots are ( x-intercepts) x=-0.5,x=1,x=3

the y-intercept is the point (0,3)