Aflexible pavement is known to have a structural number of 4.0 and a soil resilient modulus of 13,000 psi. if a pavement structure is to be designed for a life of 15 years, a reliability of 95% and an overall standard deviation of 0.3, how many passes of a design vehicle with a 18,000 lb single axle and a 34,000 lb tandem axle can be driven on the pavement per day? the pavement's initial psi is 4.2 with a tsi of 2.5.

answer: c

because if you look at the chart you can see a pattern and compare it to the question he simplify out your

but i think the formula is f(x)=6x

for the friend request.

when a figure, such as triangle (xyz) is reflected over the line y = x to create x'y'z' the x-coordinates and y-coordinates of the original image (pre-image) will be reversed for the image. (e.g., (x, y) > (y, x)) this means that the pre-image position of the x- and y-coordinates switch places which in turn provides a mirror like image of the original xyz.  

i notice that when i draw a line segment from x to x', that the points are parallel from each other -- they are exactly across from each other and do not intersect with any other points.  

yes, think i would see the same characteristic if you drew the line segment connecting y with the reflecting line and then y' with the reflecting line because of the essence of reflections. because it is a mirror image, each point was effected the same way which leads me to conclude that they same would apply to y and y'.

answer: it is d

step-by-step explanation: