In Exercises 31-36, sketch the graph of the given/unction, evaluate the given expressions, and then use technology to duplicate the graphs. Give the technology formula. [ HINT: See Example 2.) f ( x ) = { − 1 if − 4 ≤ x < 0 x if 0 ≤ x ≤ 4 a. f ( − 1 ) b. f ( 0 ) c. f ( 1 )
In Exercises 31-36, sketch the graph of the given/unction, evaluate the given expressions, and then use technology to duplicate the graphs. Give the technology formula. [ HINT: See Example 2.) f ( x ) = { − 1 if − 4 ≤ x < 0 x if 0 ≤ x ≤ 4 a. f ( − 1 ) b. f ( 0 ) c. f ( 1 )
In Exercises 31-36, sketch the graph of the given/unction, evaluate the given expressions, and then use technology to duplicate the graphs. Give the technology formula. [HINT: See Example 2.)
Use Euler's method to numerically integrate
dy
dx
-2x+12x² - 20x +8.5
from x=0 to x=4 with a step size of 0.5. The initial condition at x=0 is y=1. Recall
that the exact solution is given by y = -0.5x+4x³- 10x² + 8.5x+1
Find an equation of the line tangent to the graph of f(x) = (5x-9)(x+4) at (2,6).
Find the point on the graph of the given function at which the slope of the tangent line is the given slope.
2
f(x)=8x²+4x-7; slope of the tangent line = -3
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