Solve the system by graphing on a calculator. Round to the nearest hundredth if necessary.y = ex+3x2 - 4y2 = 11
A. {(2.75, -1.28)}
B. {(2.75, 1.28)}
C. {(1.04, -0.14), (3.52, -1.69)}
D. {(-3.52, 0.59)}
Answer: D
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A hypothesis test is to be performed. State the null and alternative hypotheses.A consumer advocacy group believes that the mean volume of juice in a company's 16-ounce juice bottles is actually less than 16 ounces.
A. Null hypothesis: mean volume > 16 ounces Alternative hypothesis: mean volume < 16 ounces B. Null hypothesis: mean volume = 16 ounces Alternative hypothesis: mean volume < 16 ounces C. Null hypothesis: mean volume < 16 ounces Alternative hypothesis: mean volume = 16 ounces D. Null hypothesis: mean volume = 16 ounces Alternative hypothesis: mean volume ? 16 ounces
Find the x-intercepts for the parabola whose equation is given. If the x-intercepts are irrational, round your answers to the nearest tenth.y = -x2 + 9x - 20
A. x-intercepts (4, 0) and (5, 0) B. x-intercepts (4, 0) and (-5, 0) C. x-intercepts (-4, 0) and (-5, 0) D. No x-intercepts
Find the angles of the trignometric values in degrees. ? represents the unknown angle measure. sin ? = 0.23
A. 13° B. 16.0° C. 13.0° D. 16°
Use the information given about the angle ?, 0 ? ? ? 2?, to find the exact value of the indicated trigonometric function.cos ? = - 
, 
< ? < ?Find cos(2?).
A. 
B. 
C. - 
D. - 