Graph the function using its vertex, axis of symmetry, and intercepts.f(x) = -3x2 - 12x - 15
A. vertex (2, -3)
intercept (0, -15)
B. vertex (2, -3)
intercept 
C. vertex (-2, -3)
intercept (0, -15)
D. vertex (-2, -3)
intercept 
Answer: C
Mathematics
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Set up the general equation from the given statement.r varies jointly as s and t.
A. r = kst
B. r = 
C. r = kd + kt
D. r = kd + t
Mathematics
Multiply, and then simplify if possible. Assume all variables represent positive real numbers.(
+ 15)(
- 1)
A. 
- 15
B. 0
C. 15
+ 
D. 15
- 
Mathematics
Perform the conversion. Round to the nearest tenth when necessary.81.5 ft/sec to mi/hr
A. 131.2 mi/hr B. 119.5 mi/hr C. 55.6 mi/hr D. 50.5 mi/hr
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Add or subtract as indicated. Write the answer in simplest form. 
- 
A. - 
B. 
C. - 
D. 
Mathematics