Find the measure of the indicated angle. Figure is not drawn to scale.
A. 60°34'
B. 60°17'
C. 62°47'
D. 60°38'
Answer: B
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Find all the first order partial derivatives for the following function.f(x, y, z) = xz
A. 
= z
; 
= - 
; 
= x
B. 
= z
; 
= - 
; 
= x
C. 
= z
; 
= 
; 
= x
D. 
= z
; 
= 
; 
= x
Use a vertical format to find the product.5y3 + 7y2 + 6y + 7
A. 25y4 + 10y3 + 49y2 + 42y + 49 B. 45y4 + 49y3 + 42y2 + 49y C. 45y4 + 45y3 + 49y2 + 14y D. 25y4 + 45y3 + 44y2 + 47y + 14
Solve the problem. Round your answer to the nearest tenth, when appropriate. Use the formula 
, as needed.Find the [H3O+] if the pH = 2.3.
A. 2.7 × 101 B. 5.0 × 10-3 C. 2.0 × 102 D. 3.6 × 10-1
Use the graph to determine the function's domain and range. Write the domain and range in interval notation.
A. domain: [0, ?) range: [3, ?) B. domain: [0, ?) range: [0, ?) C. domain: [0, ?) range: (-?, ?) D. domain: (-?, ?) range: [3, ?)