Write the phrase as a mathematical expression. Use x as the variable.Some number increased by 146
A. 146x
B. 146
C. x + 146
D. x - 146
Answer: C
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Suppose the total cost in maunufacturing x units of a certain product is C (x) dollars.
a. What does C'(x) measure? Give units. b. What can you say about the sign of C'? c. Given that C'(3000)=11, estimate the additional cost in producing the 3001st unit of the product.
Provide an appropriate response.Find all of the higher-order derivatives of x(t) = 
x3 - 
x2 - 4x. Use your graphing calculator to graph x(t) and x'(t) on the same axes. Verify that when x(t) is increasing (sloping upward), the value of x'(t) is positive. Repeat this for x'(t) and x''(t) and for x''(t) and x'''(t).
What will be an ideal response?
Determine whether the system corresponding to the given augmented matrix is dependent or inconsistent. If it is dependent, give the solution.
A. dependent; (9, -10) B. dependent; (-9, 10) C. dependent; (-9, 10, -5) D. inconsistent
Find the vertex and axis of symmetry of the graph of the function.f(x) = x2 - 4x
A. (-4, 2); x = -4 B. (2, -4); x = 2 C. (-2, 4); x = -2 D. (4, -2); x = 4